网络例句
临界质量
- 与 临界质量 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The term "critical mass" originally came from the world of physics, where it was originally defined as the amount of fissionable material needed to maintain a fission chain reaction. It's since been adopted as a more general term,"the minimum amount required to start or maintain a venture."
"临界质量"一词来自物理学，原意为发生裂变链式反应所需的最少质量，后引申为更为宽泛的"成就或维持某项事物所需的最低数量"之意 [6] 。
- 推荐网络例句
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Hanna: That's over now, isn't it?
都结束了，对吗
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You must be ill. You look so pale.
你一定是病了，你的脸色苍白。
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After proper differential delay, an UWB monocycle pulse with 84-ps width and the fractional bandwidth of 153% is generated after photodetection.
两个高斯脉冲经过适当的延时，光电检测后产生超宽带单周期脉冲，其脉冲宽度为84ps，相对带宽为153%。