Times of this order are deduced directly by measuring the length of the particle track in a bubble chamber.

这样量级的时间是通过测量粒子在气泡室中径迹长度直接得到的。

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Times of this order are deduced directly by measuring the length of the particle track in a bubble chamber.

这样量级的时间是通过测量粒子在气泡室中径迹长度直接得到的。

youdao