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1·Proportional constant of physics is a common constant of physical theorem and physical law.

物理比例常数，是物理定理、物理定律公式中一个最常见的常数。

2·The computer PID control for electro hydraulic proportional constant presure variable displacement pump with electric feedback is introduced.

介绍了电反馈电液比例恒压变量泵的计算机PID控制。

3·So, to say that the rate at which area is swept is constant means that these two are proportional.

所以定律说，扫过的面积是常量，意思是这两个是成比例的。

4·A fairly basic circuit (left as an exercise, but it's not difficult) can take the control voltage and output a constant current which is proportional to the voltage.

一个相当基础的电路(留作练习，不过并不难)处理控制电压并输出与电压成比例的恒流。

5·Since the initialisation time is directly proportional to the size of the object the time is linear rather than constant.

由于初始化时间直接与对象的大小成比例，因此时间是线性的，而不是常量。

6·If all other variables are held constant for the purposes of comparison, then the throughput is proportional to the inverse of the processing time.

如果为了比较让所有其他因素保持不变，则吞吐量和处理时间成反比。

7·When the temperature control knob to set a temperature, hot and cold water mixing valve through proportional control into the outlet, the outlet temperature is always constant.

当温度调节旋钮设定某一温度后，混水阀通过调节进入出水口的冷热水比例，使出水温度始终保持恒定。

8·We have found that the complex density was directly proportional to the length of the reaction pad as well as the number of pads even if total length was kept constant.

我们已经发现结合物的浓度与反应垫的长度和反应垫的数量，如果长度不变的话，有直接的比例关系。

9·The radial piston pump can adopt manual-control or electro-hydraulic proportional control to realize the control of constant flow, constant pressure, constant power and load sensitivity etc.

径向柱塞变量泵可以采用手动控制、电液比例控制或负载敏感控制等多种控制方式，实现恒流量、恒压力、恒功率的控制。

10·Two cases of loading types were adopted: one was biaxial proportional dynamic loading and the other was axial dynamic loading with one-side constant confining pressure.

试验中采用两种加载方式：一种为不同应变速率下的双向比例加载，另一种为保持一向恒定侧压下的动态压缩试验。