This involves sitting on an exercise bike wearing a mask that is connected to a machine that filters the air and reduces the amount of oxygen the players can breathe in.

这种监测包括坐在一个健身车上，带上一个连接着可以降低运动员的氧气摄入量的过滤器的面具装置。

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It works much like a dialysis machine, using thin fibers to capture and remove viruses from the blood it filters.

它的工作更多的象一个透析机，使用薄纤维去截获并清除被过滤的血液中病毒。

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Camera filters, sunglasses, machine vision systems greatly benefit from the use of a linear polarizer.

照相机滤光器、太阳镜和机器视觉系统大大受益于线性偏光镜的使用。

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