primary secondary system
... primary member 知构件 primary secondary system 一次及二次系统 primary sedimentation 一次沉淀 ...
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同时还给出了一次、二次及三次驻留顺序捕获系统的平均捕获时间的计算实例。
In addition, a practical example of the calculation of the mean acquisition time is included for single, double, and triple dwell serial acquisition synchronization systems.
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