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。
Research on ignited biogas engines is insufficient in our country, which leads to serious problems of biogas engines such as high heat load, bad reliability and low efficiency.
国内对火花点火式沼气发动机的研究甚少，生产的沼气发动机在运行中出现热负荷高、可靠性与经济性差的问题。
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。
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。
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