The temperature remained constant while pressure was a variable in the experiment.

做这实验时温度保持不变，但压力可变。

《牛津词典》

Presents an idea of variable pressure difference control, and analyses the electric saving effect of this control mode.

提出采用变压差调控的思路，并对其进行了节电比较。

youdao

A general scheme of a high pressure, variable flow and variable pressure aircraft intelligent hydraulic pump system is proposed in this paper.

提出了一种高压变流量变压力机载智能泵源系统的总体方案。

youdao

Along with tackling pressure, athletes must also focus on self-confidence, which is the number-one variable for impacting high-level performance.

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