然后你们需要研究出，一旦你设计了基本的，能量分布，你就必须确保，你得到了反应控制。
Then you have to figure out, once you design basic power distribution you have to make sure you have what's called reactivity control.
介绍了用PLC控制的变频调速恒压供水系统的基本原理，给出了系统的电气线路和PLC程序设计，并在实际中得到了应用。
This article introduces the frequency speed constant pressure water supply system controlled by PLC, presenting its hardware structure, the design of PLC program and its application.
实测值与计算值基本吻合，说明结构应力及变形在施工过程中得到了良好的控制。
The measured value basically agrees well with calculated value, which indicates that structure stress and deformation are well controlled during construction.
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