varying in a certain range 在一定范围内变化
A region contains the rows in a certain range.
一个区域包含某个范围中的行。
If a man put his box in a certain range, easy to limit their thinking and pattern.
人若把自己框在一定的范围内,就容易限制自己的思维和格局。
The normal blood pressure change with the environment fluctuates in a certain range.
正常人的血压随内外环境变化在一定范围内波动。
Our bodies have mechanisms like that, that mainly use the principle of negative feedback in order to control the parameters that are important for life within a certain range.
我们的身体有着与之类似的机制,主要依靠负反馈原理来,将与生命息息相关的指标控制在一定范围
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