亥姆霍兹固体形变关系式

SSS 2011-12-02

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Bats see with their ears, which are highly attuned to pick up minute variations in the reflection of the sound pulses they use to echolocate. Here are so

发表于:2019-01-08 / 阅读(65) / 评论(0)

Scientific American(十二)月

美丽新世界Brave New World 第18章(2)

Helmholtz was wonderful to me, Bernard resumed, after a little pause. If it hadn't been for him, I should 赫姆霍尔兹对我好极了，伯纳停了一下，说了下去，要是没有他我早就 Now, now, Helmholtz protested. 好了，好了。赫

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美丽新世界

塞卡病毒比埃博拉危害更大

The Zika virus outbreak in Latin America could be a bigger threat to global health than the Ebola epidemic that killed more than 11,000 people in Africa. That's according to several public health experts who spoke with the Guardian and Examiner newsp

发表于:2019-02-08 / 阅读(60) / 评论(0)

英语新闻

工程词汇中英文对照

质量合格证书 certification of fitness 原材料 raw material 底板 bottom plate 垫层 cushion 侧壁 sidewall 中心线center line 条形基础 strip footing 附件 accessories 型钢 profile steel 钢板 steel plate 熔渣 slag 飞溅 weldin

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实用英语

【有声英语文学名著】美丽新世界（4）

Brave New World by Aldous Huxley Chapter Four THE LIFT was crowded with men from the Alpha Changing Rooms, and Lenina's entry wars greeted by many friendly nods and smiles. She was a popular girl and, at one time or another, had spent a night with al

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有声英语文学名著

夏说英语新闻晨读第49期:寨卡病毒肆虐美洲

本期内容： The World Health Organisation warned that Zika, a mosquito-borne virus linked to brain deformation in human fetuses, is likely to spread to every country in the Americas except Canada and Chile. Brazil has reported 3,893 cases of micr

发表于:2019-02-20 / 阅读(51) / 评论(0)

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