其轨道速度一定是在每秒几百米。Her orbital speed must be a few hundred meters per second.他在赛跑中让了二百米.He has a handicap of 200 metres.类固醇检测呈阳性后，他的奥运百米金牌被收回。He was stripped of his Olympic Hundred Metres gold medal after testing positive fo...
Some even made a living by pirating his paintings.有不少人靠造他的假画为生.Some media even said that Chinese pirating rate reaches 90 %.有些媒体甚至称,中国盗版率达90%.The digital watermark is to prevent pirating.数码水印图案是用来防止盗版的....
The committee held its founding congress in the capital, Riga.委员会在首都里加召开了成立大会。He is founding director of The Conservation Foundation.他是自然资源保护基金会的创办负责人。We commemorate the founding of our nation with a public holiday.我们放假一...
The division of Europe into warring blocs produces ever - increasing centrifugal stress.把欧洲分为作战集团产生了越来越大的离心效果.The custom traces to the time of the Warring States.这个风俗可上溯到战国时代.She would willingly forgo a birthday treat if...
结果:未受力时,大鼠的牙槽骨内即存在一定数量的前列腺素E2.Results is prostaglandin E 2 in the alveolar of rats under no influences.用全息干涉测量技术,比较5种固位体使基牙颊舌侧牙槽骨产生位移的情况.Results : The RPI clasp was found to cause the smallest bone displacement.结论: 不同区域的...