在婴儿床中，16名婴儿中只有6名可以有静态睡眠，而且睡眠质量也相对差得多。
In the cots, only six out of the 16 had any quiet sleep and its quality was far worse.
还可降低床内的相对湿度，使之与外界接近。
It also decreased the relative humidity in seedbed, which could approach to that in outside.
采用合适的反应器结构来保证催化剂床层温度的相对恒定，是合成过程高效、稳定运行的关键。
To apply suitable structure of the reactor may ensure the relative stable temperature in the catalysis layer, it is the key of stable performance of synthesis process.
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