单词：stress strain relation
单词：stress strain relation 相关文章
WHO: Balanced Approach for New Bird Flu Virus Strain In 2011, scientists discovered they had created a highly contagious and deadly form of H5N1 commonly called avian or bird flu. When the discovery was announced, debate erupted over whether the rese
VOA标准英语2011年(十二月)
1849 、 静摩擦 staticfriction 1850 、 颈轴承 journalbearing 1851 、 颈缩 necking 1852 、 频带宽度 bandwidth 1853 、 频率 frequency 1854 、 头座 headstock 1855 、 阈值；临界值
英文名句短语
The flu epidemic intensified a few week ago, but it continued to worsen with widespread outbreaks being reported in every state except Florida. NBC's Robert Bazell reports. And there's new information tonight about this year's flu epidemic and why i
万花筒2008年
DAVID GREENE, HOST: And we're going to spend some time now in China's far northwestern region, Xinjiang, which is four times the size of California. It's home to a Muslim minority group called the Uighurs. They have had this tense relationship with C
2017年NPR美国国家公共电台9月
今天我们要学的词是 strain. strain 的意思是压力，费力，使足力气。 In China, female pilots strain to hold up half the sky although they account for only 1.3 percent of all the pilot, one of the lowest proportion in the world. 在中
英语单词荟萃
很多坐在电脑前工作的人会有亚健康的身体状态，经常腰酸背疼。不要忽视这些小疼痛，这说明你的工作姿势和习惯需要纠正了。 It's not just the most physically demanding jobs that can lead to serious inju
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