基于端射阵理论，优化设计了一副小型宽带、具有大前后比的双鞭天线，并以此作为阵列天线的基本单元组成六元均匀线阵。
Then, based on the end-fire array theory, a small broadband twin-whip antenna with big forward to backward ratio is designed.
患有自闭症的人有更小的小柱——约由100个神经元组成的簇，一些研究人员认为是大脑的基本处理单元——但同时他们有更多的小柱。
People with autism have smaller minicolumns - clusters of around 100 neurons that some researchers think act as the brain's basic processing units - but they also have more of them.
过程控制中，大量控制系统是由基本PID控制单元组成。
Most of real industrial processes are controlled by PID controllers.
过程控制中，大量控制系统是由基本PID控制单元组成。
Most of real industrial processes are controlled by PID controllers.
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