Reliability Bad 可靠性差
The traditional data acquisition and control system based on industry computer has complex circuit and bad reliability.
以工控机为基础的数据采集与控制系统是集中控制方式，线路比较复杂，可靠性比较差。
A lot of lab study and test have been done to the problems of bad reliability and short life-span for traditional slip-type down hole chock.
前言：针对传统卡瓦式井下节流器的“圆柱”式胶简存在可靠性差、寿命短的问题，进行了大量的室内研究实验。
For the antenna array having a great quantity radiating elements, enormous cables are used. Thus, this system has bad reliability and maintainability.
对于单元数众多的天线阵列而言，这种排列方式意味着数量庞大的连接电缆，所带来的后果是系统可靠性降低，可维修性变差。
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