睡眠过程中，你在两种睡眠状态中转换，快速眼动期(REM)和非快速眼动期(non - REM)，90分钟一个循环。
During sleep, you drift between two sleep states, REM (rapid eye movement) and non-REM, in 90-minute cycles.
作为非接触测温的红外测温技术，能够真实地反映出焊件在焊接工艺中的温度随时间变化的热循环过程。
The infrared measuring temperature technique as non-contact measuring temperature method can reflect the heat cycle process of the temperature change along with time of the weldment.
非脱墨再生纸厂很容易实现封闭循环，而脱墨再生纸厂由于在生产过程中加入不少化学品，较难实现封闭循环。
Non - deinking recycled paper mills are easy to achieve closed cycle, while deinking recycled paper mills are difficult to achieve closed cycle because of adding many chemicals in the process.
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