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山寨�U�技 — Fri, 13 Aug 2021 13:17:00 GMT

鉴于��学��p��Reach G(�W?�?上的一��文�?/span>The Girl Who Fell from the Sky�Q?a href="http://www.shnenglu.com/Chipset/archive/2021/08/11/217695.html">在这�?/a>。于是打��了解一下作�?��M�h�?�׃��安娜�U�普�?/span>(�׃��安娜�q�拉)�?/span>人物介绍选自E文维基，以下��文�?/span>
PS: ��译能很好的训练一个�h的英语和汉语句子�l�织能力�Q�时不时的让学英语的娃尝试一下翻译英语课文也��是某种�ȝ��吧�?/span>

�׃��安娜�U�普�?/span>(出生�?/span>1954�q?/span>10�?/span>10�?/span>)�Q�婚后名字朱丽安娜��_拉，是一个�d�?/span>-�U�鲁��Z�^动物学家。她�?/span>1971�q�兰�?/span>508航班�I�难的唯一�q�存者，�I�难发生后独自一人在亚马逊热带雨林生�z�M��11天。他�?/span>3000�c?/span>(9843英尺)坠落�Q�落地时仍然被安全带捆在座椅上�?br />

事前

�׃��安娜�?/span>1954�q�出生于�U�鲁利马�Q�父母都是在利马自然历史博物馆工作的德国人。她是生物学家汉斯威廉科普克和鸟�c�d��家玛丽亚�U�普克的唯一孩子。在�׃��安娜14岁时�Q�其父母带她��M��马逊雨林徏造研�I�基�?/span>--潘古那。在�q�里�Ҏ��了一�?#8220;丛林孩子”�Q�学了野外生存技能。教育当局不同意这样做�Q�要求朱莉安娜回到利马亚历山大冯�z�堡��h��志学校参加考试。她�?/span>1971�q?/span>12�?/span>23日在此校毕业�?br />

�I�难

�׃��安娜�U�普克在�l�历��难上有双重生存故事可供讲述。在1971�q�圣诞节前夕�Q�朱丽安娜搭乘了兰萨508航班。那时她刚从高中毕业�Q�她的母亲玛丽亚本打��在1971�q?/span>12�?/span>19-20日带着奛_��L��古那�Q�但是朱丽安娜希望能�?/span>12�?/span>23日去利马参加毕业典礼。玛丽亚同意�Q�打��圣诞节前夕再飞往潘古那，可是除了里尼思君�Ҏ��航空(兰萨)�q�有�I�Z��其余所有航班的席位均已售罄。尽��丈夫汉斯威廉强烈要求妻子不要乘坐那家航�I�公司的航班�Q�因��航空公司早已臭名昭著�Q�但最�l�她们还是预定了机票。飞��v飞不久遭遇闪电，在空中开始解体�ƈ一头冲向地面。朱丽安娜发现自�׃��直被捆在座椅上，下落��近2英里最�l�落入秘鲁热带雨林�?/span>

在朱丽安娜科普克的此�ơ事件上�Q�专家指出由于在下降中她被安攑ֈ�座椅上才��D��Ҏ��了下来，只是断了锁骨而已。她是该航班的唯一�q�存者，��着溪流在雨林里生活�?/span>11天�?/span>

在她醒过来后丛林里的昆虫不再叮咬她，可是蛆已�l�感染了她的背��Q?/span>9天后�Q�她扑ֈ�了一处露营地。在此，她给自己�q�行了初�U�治疗，例如用汽�Ҏ��到蛆感染的部位。蛆��x��汽油就��d��了伤口。几个小时候后�Q�运木工人发��C��她，�l�与基本�ȝ��q�把她带到更宜居的区域，然后她被�I��到医院�?/span>

伤口恢复后，�׃��安娜帮助搜救队定位失事地点和搜救死难者尸体。她妈妈的尸体于1972�q?/span>1�?/span>12日被发现。朱丽安娜回到�d国后伤口完全恢复了正常。跟父母�c�M��Q�朱丽安娜获得生物学学位后返回秘鲁��l�深入研�I�蝙蝠。她的双重生存故事成了书和电��q��M��Q�其中包括了她的自传和他传，“当我从天而降”�Q�以及导演沃�U��佐格的�U�录�?#8220;��膀上的希望”。他(沃纳赫尔佐格)�?/span>1971�q�也预定了她(�׃��安娜)的那�ơ航班，飞机起飞前最后一分钟改变计划�Q�从而躲�q�一劫�?br />

事后

�׃��安娜的��o�q�存�z�L��了各�U�瞎猜推断的主题�?很明昑֥�被安全带捆在座椅上有了某�U�程度的盄��和缓�Ԍ��而且理论上外围整排的座椅�Q�就是朱丽安娜两边的那些�Q��v��C��降落伞的作用�Q�减�~�了她下落的速度..."�?#8220;风暴漂移以及落地点厚厚的枝叶可以�q�一步降低里冲击�?..”�?/span>

�׃��安娜回到德国��d��康复�q�来�Q�走了父母一��L��路，在基��大学学习生物，1980�q�毕业。在慕尼黑麦克西�c�_��大学获得博士学位后返回到�U�鲁展开��Z�^动物研究�Q�专注于蝙蝠�Q�在1987�q�发表论文，“�U�鲁热带雨林里一个蝙蝠生物王国的研究”�?/span>1989�q�朱莉安娜科普克和一个专注于研究寄生黄蜂的昆虫学家艾力克�q�拉�l�婚�?/span>2000�q�朱丽安娜接��了潘古那当上了��M�Q�Q�父亲去世了�?/span>

现在�׃��安娜�q�拉在慕��黑巴伐利亚动物学蒐藏研�I�中心当��理员。她的自传和他传”当我从天而降”(徯��: Als ich vom Himmel fie)�?/span>2011�q?/span>3�?/span>10日由�z��林格出版�Q��ؓ此她获得�?/span>2011柯琳文学奖�?/span>2019�q�秘鲁政府授予她高��军官的杰出服务奖�?br />

山寨�U�技 2021-08-13 21:17 发表评论

木卫一IO

山寨�U�技 — Wed, 16 Oct 2019 13:40:00 GMT

https://solarsystem.nasa.gov/moons/jupiter-moons/io/overview/

Introduction

Jupiter's rocky moon Io is the most volcanically active world in the solar system, with hundreds of volcanoes, some erupting lava fountains dozens of miles (or kilometers) high. Io’s remarkable activity is the result of a tug-of-war between Jupiter's powerful gravity and smaller but precisely timed pulls from two neighboring moons that orbit farther from Jupiter – Europa and Ganymede.

In mythology, Io is a mortal woman transformed into a cow during a dispute between the Greek god Zeus – Jupiter in Roman mythology – and his wife, Hera – Juno to the Romans.

概要

木星的卫星艾奥是太阳�p�里火山�z�d��最强烈的一个世界，有几癑��火山�Q�有些火山喷发熔岩喷泉高辑և�打英�?/span>(几十千米)。艾奥异常的行�ؓ是木星强大的引力和两个较��卫星之间精��定时拉锯的�l�果�Q�这两颗卫星轨道距离木星较远�Q�分别是�Ƨ罗巴和伽倪墨得斯�?/span>

在古��话里，艑֥�是个奛_��变成了牛�Q�原因是古希腊天��宙�?/span>--�|�马��话里是朱庇�?/span>(译注:木星的音�?/span>)--和他的妻子赫拉之间��生了矛盾--�|�马人称��p��?/span>

Size and Distance

A bit larger than Earth's Moon, Io is the third largest of Jupiter's moons, and the fifth one in distance from the planet.

大小和远�q?/span>

比地球的卫星月亮�E�大�Q�是木星的第三大卫星�Q�距地球�q�近上位列第五�?/span>

Orbit and Rotation

Although Io always points the same side toward Jupiter in its orbit around the giant planet, the large moons Europa and Ganymede perturb Io's orbit into an irregularly elliptical one. Thus, in its widely varying distances from Jupiter, Io is subjected to tremendous tidal forces.

These forces cause Io's surface to bulge up and down (or in and out) by as much as 330 feet (100 meters). Compare these tides on Io's solid surface to the tides on Earth's oceans. On Earth, in the place where tides are highest, the difference between low and high tides is only 60 feet (18 meters), and this is for water, not solid ground.

Io's orbit, keeping it at more or less a cozy 262,000 miles (422,000 kilometers) from Jupiter, cuts across the planet's powerful magnetic lines of force, thus turning Io into a electric generator. Io can develop 400,000 volts across itself and create an electric current of 3 million amperes. This current takes the path of least resistance along Jupiter's magnetic field lines to the planet's surface, creating lightning in Jupiter's upper atmosphere.

轨道和旋�?/span>

��管艑֥�始终一面对着木星围绕�q�个巨大的行星旋转，但是较大的卫星欧�|�巴和伽倪墨得斯�q�扰了艾奥的轨道��D��形成了不规则的椭圆�Ş。这样以来，在和木星�q�远的间距变换中�Q�艾奥受到巨大的潮汐力�?/span>

�q�些力导致艾奥表面忽起忽�?/span>(或者进和出)高达330英尺(100�c?/span>)。对比一下艾奥固态表面的潮汐和地球上��h��的潮汐。在地球上，最高潮汐的地方�Q�高低潮落差不过60英尺(18�c?/span>)�Q�而且�q�是��_��不是固态的陆地�?/span>

艑֥�的轨道，使之处于或多或少距离木星262000英里(422000千米) 一个温馨距��，切割�q�个行星强大的磁力线[译注�Q�木星的��场是太阳系里最强的�Q�比地球��场强几十倍，形成原因目前不特别清�?/span>]�Q�致使艾奥成了一个发甉|��。艾奥自�w�能产生40万伏的电压，产生3百万安的甉|��。这些电��沿着木星��力�U�流�l�木星低��L��表面�Q�在木星高层大气产生闪电�?/span>

Surface

The tidal forces generate a tremendous amount of heat within Io, keeping much of its subsurface crust in liquid form seeking any available escape route to the surface to relieve the pressure. Thus, the surface of Io is constantly renewing itself, filling in any impact craters with molten lava lakes and spreading smooth new floodplains of liquid rock. The composition of this material is not yet entirely clear, but theories suggest that it is largely molten sulfur and its compounds (which would account for the varied coloring) or silicate rock (which would better account for the apparent temperatures, which may be too hot to be sulfur). Sulfur dioxide is the primary constituent of a thin atmosphere on Io. It has no water to speak of, unlike the other, colder Galilean moons. Data from the Galileo spacecraft indicates that an iron core may form Io's center, thus giving Io its own magnetic field.

表面

潮汐力在艑֥�内部产生巨大的热量，��D��它表面下的地��x��为液态，��L��M��到达表面的逃离路径释放压力。这样以来，艑֥�表面会得到持�l�的更新�Q�用岩浆填充��M��陨石坑而且会��生光滑的液态熔岩洪泛��^原。地质具体成分不太清楚，但理论假说认为大部分是熔化的��磺及其��化�?/span>(较好的解释了表面不同的颜色构�?/span>)或硅酸盐矛_��(较好的解释了显而易见的表面温度�Q�都��磺��太热了)。艾奥稀薄的大气主要�l�分主要是二氧化��。不得不��_��艑֥�表面没有��_��不像其它较冷的伽利略卫星�?/span>[译注�Q�最初古天文学家伽利略发��C��一�p�d��的木星卫星，所以后来就有了�q�种�U�呼]。伽利略太空舚w��集到的数据指出，艑֥�中心可能存在铁核�Q�于是就拥有了自��q��场�?/span>

Potential for Life

Constant volcanism and intense radiation make Io an unlikely destination for life.

潜在生命

持箋的火山活动和强烈的辐��得艾奥不太可能成为生命的落脚炏V�?/span>

Magnetosphere

As Jupiter rotates, it takes its magnetic field around with it, sweeping past Io and stripping off about 1 ton (1,000 kilograms) of Io's material every second. This material becomes ionized in the magnetic field and forms a doughnut-shaped cloud of intense radiation referred to as a plasma torus. Some of the ions are pulled into Jupiter's atmosphere along the magnetic lines of force and create auroras in the planet's upper atmosphere. It is the ions escaping from this torus that inflate Jupiter's magnetosphere to over twice the size we would expect.

��圈

伴随着木星自�{�Q�木星的��场包围了艾奥，清扫艑֥��Q��^均每�U�从艑֥�掠走大约1�?/span>(1千千�?/span>)物质。这些物质在��场里电��，形成面包圈状的离子云�Q�具有强烈的辐射�Q�称之�ؓ�{�离子圆环。一些离子沿着��力�U�被拉入木星大气�Q�在木星上空产生极光。这些逃离圆环的离子导致木星磁圈膨胀�Q�比我们预期大小大了一倍不止�?/span>

Discovery

Io was discovered on Jan. 8, 1610 by Galileo Galilei. The discovery, along with three other Jovian moons, was the first time a moon was discovered orbiting a planet other than Earth. The discovery of the four Galilean satellites eventually led to the understanding that planets in our solar system orbit the Sun, instead of our solar system revolving around Earth. Galileo apparently had observed Io on Jan. 7, 1610, but had been unable to differentiate between Io and Europa until the next night.

Galileo originally called Jupiter's moons the Medicean planets, after the powerful Italian Medici family and referred to the individual moons numerically as I, II, III, and IV. Galileo's naming system would be used for a couple of centuries.

It wouldn't be until the mid-1800s that the names of the Galilean moons, Io, Europa, Ganymede, and Callisto, would be officially adopted, and only after it became apparent that naming moons by number would be very confusing as new additional moons were being discovered.

In mythology, Io is a mortal woman transformed into a cow during a marital dispute between the Greek god Zeus—Jupiter in Roman mythology—and his wife, Juno. NASA’s Juno mission is named in honor of Juno who could peer through the clouds and expose her husband’s wrongdoings. The spacecraft also peers through clouds to reveal Jupiter’s secrets.

发现�?/span>

艑֥��?/span>1610�q�元�?/span>8日被伽利略伽利雷发现。和其它三个木星的卫星一赯��发现的，�q�是首次发现地球之外的行星拥有自��q��l�的卫星。伽利略四卫星的发现最�l�导致�h�c�认识到太阳�p�里的行星们围着太阳转，而不是太阳系围着地球转。伽利略昄��?/span>1610�q�元�?/span>7日就发现了艾奥，但是直到�W�二天晚上才能把它和�Ƨ罗巴区分开�?br />

伽利略最初称木星的卫星�ؓ��第奇家族行星，意大利美�W�奇家族之后�Q�这些独立的卫星才被命名�?/span>I, II, III�?/span>IV。伽利略命名的体�p�M��被沿用几个世�U��?/span>

直到18世纪中期伽利略卫星的艑֥��Q�卡利斯托，�Ƨ罗巴和伽倪墨得斯几个名字才被官方采纳�Q�因为随着更多卫星被发玎ͼ�原来以数字命名卫星的做法非常令�h费解�?/span>

在古��话里，古希腊天��宙�?/span>--�|�马��话里称朱庇�?/span>--和他的妻子朱��Z��间的一�ơ婚�ȝ��监֯�致凡��?/span>[译注�Q�以汉语文化的视角来看，��仙宙斯有婚外情�?/span>��?/span>]变成了牛。美国航�I��天局的朱��Z��旅�ؓ了向��p��女神表达敬意�Ҏ��命名�Q�寓意是��p��能看透云层揭露其丈夫的错误行为。该太空船也能透过云层��L��C�木星的�U�密�?/span>

山寨�U�技 2019-10-16 21:40 发表评论

山寨�U�技 — Wed, 22 Mar 2017 09:31:00 GMT

Dr. James Marcus, the founder of the Umbrella Corporation, had a daughter, Alicia, who was dying of progeria. Desperate to save her, Marcus uses the T-virus on her and others with the disease. After another child treated with the virus died and then reanimated as a rabid zombie, Marcus tried to have the program shut down. His partner, Dr. Alexander Isaacs, had Marcus killed by Albert Wesker, then adopted Alicia and took over the Corporation.

安布��h��公司[伞公�?/span>]的创始�h�Q�詹姆斯·马库斯博士有个女儿艾莉西亚正在早衰死亡。马库斯几乎�l�望�Q�把T病毒用于�l�女儿和患有该病的别人治疗。在对另一个孩子施用该病毒�ȝ��后，患者死掉又�z�过来立��x��了僵��，马库斯�ؓ此企囑օ�闭该��程。他的商业伙伴亚历山�?/span>·艾萨克斯命��o阿尔伯特·威斯克处��M��马斯克，自己收养了艾莉西亚�ƈ接管了该公司�?/span>

After the events in Washington D.C., Alice awakens after being betrayed by Wesker. The Red Queen appears and tells Alice she has 48 hours to infiltrate the Hive, over 400 miles west on I-64 in Raccoon City. The Umbrella Corporation has developed an airborne anti-virus, which can kill every organism infected by the T-virus, but is waiting for the last few remaining humans to be wiped out.

哥��u比亚特区华盛��事件后�Q�爱丽丝�l�历威斯克的背叛后苏醒过来。红后出现�ƈ告知�׃��丝，她必��d��48��时内潜入��熊市蜂�l�Q�蜂巢位于向�?/span>400英里之外的��熊市I-64区。安布雷拉公司已�l�开发出了能�I�气传播的抗病毒�Q�会杀��L��有感染了T病毒的生物，目前正等着最后遗留的��数人类被消灭�?/span>

Enroute to Raccoon City, Alice is captured by Isaacs, learning the "Isaacs" she previously killed was a clone. She escapes his convoy and reaches Raccoon City, where she is ambushed by a group of survivors: Doc, Abigail, Christian, Cobalt, Razor, and Claire Redfield, who survived the attack on Arcadia. Isaacs' convoy approaches, trailed by a horde of zombies. Alice and the group defeat the convoy, retrieve Isaacs' few human captives and burn the horde, though Cobalt is killed. Alice and crew enter the Hive entrance, at the bottom of the crater from the nuclear bomb previously dropped on the city. Wesker, in control of the Hive, releases mutated guard dogs, killing Christian and a freed captive.

在去往��熊市的路上�Q�爱丽丝被艾萨克斯俘虏，认识到她原来杀�ȝ��那个艾萨克斯其实是个克隆人。爱丽丝逃脱他的护卫队到达��熊市后被一��幸存者伏击，�q�些�q�存者有道克、艾比盖��、克里斯托、克波特、瑞泽、克莱尔·雷�d菲尔��P��他们是阿卡��_亚遭到攻��d��的幸存者。艾萨克斯护卫队赶往�q�里�Q�尾随了一大群僵尸。爱丽丝队伍击��|了护卫队�Q�收容了艾萨克斯的几个�h�c�M��虏，焚毁了僵��群�Q�但克�L特在战斗中��生。爱丽丝队伍�q�入蜂�l入口�Q�入口在之前��熊市丢核弹炸的大坑底部。威斯克控制着蜂�l�Q�释放了变异的警卫狗�Q�杀��M��克里斯托和一个自�׃��的俘虏�?/span>

The Red Queen appears to Alice and explains that her program is in conflict, as she can never hurt an Umbrella employee but also must value human life. She plays a video of Isaacs explaining to Umbrella's executives a plan to release the T-virus, cleansing the world of humanity; many of the rich and powerful, including the company executives, are stored in cryogenic capsules in the Hive, with the intention of rebuilding the world following the resulting apocalypse. The Red Queen warns Alice that someone in her group is helping Umbrella.

�U�后出现在爱丽丝面前�Q�解释她的程序有冲突�Q�因为她不能伤害安布��h��雇员而且�q�要衡量人类生命。红后播放了一个媄��，艾萨克斯正给安布��h��公司��理层解释他的计划，释放T病毒清理人类世界�Q�很多富人和当权者包括公司管理者，用低温荚膜封藏在蜂�l里，毁灭世界后再重徏。红后警告爱丽丝�Q�她的队伍里有�h正在帮助爱布��h��公司�?/span>

The group encounters several traps, killing Abigail and Razor. Alice and Doc plant bombs throughout the Hive, from the leftover equipment of the original team to investigate the Hive. Alice confronts the real, tech-upgraded, Isaacs. Doc is revealed to be Umbrella's spy, and Claire is captured by Wesker. A cryogenic capsule opens, releasing Alicia Marcus, Umbrella's co-owner, and Marcus' daughter. Isaacs reveals to Alice that she is actually a clone of Alicia, before going on to explain his plan to eliminate the pair and assume control of Umbrella. Alicia fires Wesker, allowing the Red Queen to crush his legs with a security door. Doc tries to shoot Alice, but his gun is empty — as Alice had earlier deduced his treachery — and Claire executes him. After giving Wesker a deadman's switch to the primed bombs, Alice and Claire pursue Isaacs while Alicia uploads a copy of her childhood memories.
�q�群人遭遇了几个陷阱�Q�艾比盖��和瑞泽丧生。爱丽丝和道克在整个蜂�l部��v了炸弹，从原队伍的遗留设备处一直到勘察蜂�l沿�\[译注�Q�原文有错误]。爱丽丝面对真实有技术装备的艾萨克斯。道克被暴出是安布雷拉安�?/span>[在幸存者中]的间谍，克莱��也被威斯克抓住。一个低温荚膜打开�Q�艾丽西�?/span>·马库�?/span> 出现�Q�她是公司的合伙持有人，詹姆�?/span>·马库斯的奛_��。艾萨克斯首先揭�C�爱丽丝是艾莉西亚的克隆人，然后解释他计划除掉合伙�h艾莉西亚完全掌控爱布��h��。艾莉西亚煽动威斯克�Q�让�U�后关闭安全门夹断他的腿。道克向�׃��丝开枪，但没有子�?/span>--�׃��丝之前推断出他是叛徒--克莱��击毙了道克。塞�l�威斯克一个死人开�?/span>[译注�Q�不按着蜂�l��q��]后，�׃��丝和克莱��追杀艾萨克斯�Q�此刻艾莉西亚上传她童年记忆的拷贝�?/span>

Isaacs, Alice and Claire fight; Isaacs overpowers Claire and attacks Alice in the Laser Corridor, eventually defeating her, but she uses that moment to activate a grenade in his pocket. She escapes to the surface with the anti-virus, but Isaacs reboots and catches her before she can release it. Before he can kill her, the Isaacs clone (from the convoy) arrives and kills him, believing itself to be the original Isaacs, but the clone is then devoured by the undead. Alice releases the anti-virus, killing all of the undead around her before she passes out. Wesker simultaneously drops the deadman's switch, destroying himself, Alicia, the Hive, and the hibernating Umbrella elite.

艾萨克斯�Ҏ��׃��丝和克莱��，艾萨克斯战胜克莱��，�q�在�Ȁ光走廊里��d��׃��丝最�l�获胜，但爱丽丝利用该时��发了他口袋里的手雗��爱丽丝带着抗病毒逃到地面�Q�但艾萨克斯复活�q�在�׃��丝投放抗病毒前抓住了奏V��在艾萨克斯杀�ȝ��丽丝前，艾萨克斯的克隆�h(来自护卫�?/span>)赶到�Q�杀��M��艾莎克斯�Q�觉得自己才是真正的艾萨克斯�Q�但克隆人又被僵��吞没。爱丽丝释放了抗病毒�Q�她倒下前杀��M��她周围所有的僵尸。此刻，威斯克丢下了��M�h开养I��毁掉了自己，艾莉西亚�Q�蜂巢，休眠中的安布��h��_�英们�?/span>

Claire wakes Alice, who survived because the anti-virus killed only the T-virus within her body, not the healthy cells. The Red Queen uploads Alicia's childhood memories into Alice, granting her a childhood. Alice travels into Manhattan, saying that the anti-virus, carried only by the winds, will take years to reach all corners of the globe, and until it does, her mission is not finished.

克莱��唤醒了�׃��丝，�׃��丝活了下来，因�ؓ抗病毒只杀��d��体内�?/span>T病毒�Q�而非健康�l�胞。红后给�׃��丝加载了艾莉西亚所有的童年记忆�Q�给她赋予了童年。爱丽丝��L��哈顿旅行�Q?/span>[故事]声称抗病毒被风吹��C��界各角落需要多�q�_��在此�l�果前，�׃��丝的��d��q�没�l�束�?/span>

山寨�U�技 2017-03-22 17:31 发表评论

常见材料的导热率

山寨�U�技 — Sun, 29 May 2011 12:40:00 GMT

摘要: 部分常见物质导热�? 材质导热�?(W·m−1·K−1) ��试温度 (K) 293K时的电导�?(Ω−1·m−1) 备注丙烯酔R��ȝ�� (普列克斯�ȝ�� V045i) 0.17-0.... 阅读全文

山寨�U�技 2011-05-29 20:40 发表评论

C#, C++, Java性能�Ҏ��

山寨�U�技 — Sun, 01 Mar 2009 14:22:00 GMT

摘选自Onur Gumus的博客�?br>http://reverseblade.blogspot.com/2009/02/c-versus-c-versus-java-performance.html

C# vs C++ vs Java性能�Ҏ��

C#, Java 和C++�Ҏ��性能常常是引发争议的一个话题。那些不熟悉JIT的�h常常声称JIT上运行的��M��E�序跟C++比速度都不行。而那些��用Java和C#的�h�? 常常声称性能差别甚小�Q�几乎可以忽略不计。这里有一个测试对比结果图�Q�来自freenode IRC服务器，不知道谁��试的，但是�l�果��g��很真实�?nbsp;

对于我来��_��因�ؓ性能原因选择C++��g��理由不��。记住：工程师比服务器要昂贵的多�Q?br>

部分其他人的评论�Q?br>
单线�E�测试的�Q�多�U�程如何�Q�内存耗费多少�Q�测试程序数据��用的语言内徏�c�d��(比如int)�q�是自定义类型，如果语言本��n内徏的类型那�~�译成二�q�制��试旉��消耗差别不会多大是正常的�?br>PHP没有针对Windows�pȝ��优化�Q�因此速度肯定上不厅R�?br>在Windows上测试Java是否�q�行在虚拟机上？默认情况可�ƈ非如�?跟Linux可不�?�Q�再者，��试�l�果耗费旉��太短误差相对可能很大�Q�很难说明实际情形�?br>
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山寨�U�技 2009-03-01 22:22 发表评论

山寨�U�技 — Wed, 17 Dec 2008 01:34:00 GMT

摘要: Normal 0 7.8 pt 0 2 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tsty... 阅读全文

山寨�U�技 2008-12-17 09:34 发表评论