利用VHDL语言在PLD器件上设计全功能计数控制装置，使其实现计量、显示长度并根据预置数输出控制信号的功能。
A full-function control system of counting is designed on a PLD device using VHDL language. It can measure and display the length and send out a control signal according to the set value.
联动装置是常用的太阳翼部件同步展开控制机构，绳索预置张力直接影响到太阳翼展开的同步性能。
The close cable loop CCL is commonly used as a synchronous deploying control mechanism of solar array. The preload tension of CCL cable affects the synchronization of deployment directly.
联动装置是常用的太阳翼部件同步展开控制机构，绳索预置张力直接影响到太阳翼展开的同步性能。
The close cable loop CCL is commonly used as a synchronous deploying control mechanism of solar array. The preload tension of CCL cable affects the synchronization of deployment directly.
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