单位：一所大学的细胞与生物化学实验室。

SETTING: Laboratory of Cell and Biochemistry in a university.

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1936年，三个中国助理在他的生物化学实验室工作。

In 1936 three Chinese assistants came to work in his biochemistry laboratory.

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微机控制，直流无刷电机驱动，触摸面板，数字显示，操作方便，适用于生物化学实验室，医院临床检验等。

It is controlled by microcomputer with touching panel and led display. It is driven by DC brushless motor and be widely used in biochemistry and clinical laboratory.

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For those of you don't know what that is it's simply an instrument that counts radioactive particles in the air, and MIT now that you're at MIT, you'll all have a chance to see one first hand if you're ever in any of the labs, especially in the chemistry or bio labs.

不知道它是什么,它就是一个简单的,计算在空气中放射粒子数目的仪器,你们现在来了，如果你们在实验室里工作的话,尤其是化学和生物实验室，你们有很多机会亲手用到它。

麻省理工公开课 - 化学原理课程节选