单词：yield stress ratio
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说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 even It's even colder than yesterday.
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图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t
数学英语
图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt
数学英语
复合材料及汽车词汇（二） Needled mat 针刺毡，针织毡 Non-ductile fracture 无塑性破坏 Nontwisting fiber 不加捻纤维 Notched izod test 带缺口悬臂梁式冲击试验 Nozzle 管嘴，喷嘴 Numerically controlled engine lathe 数控普通车床 Nylon resin 尼龙树脂 OEM (Or
英文语法词汇
BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up
英语新闻
China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem
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