英德
有道
百度
谷歌
图片
维基
百科
极限真空
[真空] ultimate vacuum
- 它们的建造把真空技术推到了极限，随后重新定义了新的极限。
Building them pushed vacuum technology to the limit and then redefined the limit. - 介绍了设计原则、实现途径和极限真空估算。
The design principle, the way to carry out and estimation of limited vacuum were introduced. - 所以说，光速可以减慢却不能加快：真空好比是自然界的康庄大道，光便以其极限速度疾驰在这条大道上。
So light can be slowed down, but not sped up: the vacuum is nature's open road where light travels at the speed limit.
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