有源的,主动的,活动的
1.包含有能源的系统或线路。常常属于电子单元,如放大器和滤波器。比较passive.2.涉及到人工引入的信号的方法。比如controlled-source electromagnetics. 3.一种包含流动测站的定位系统。
1.包含有能源的系统或线路。常常属于电子单元,如放大器和滤波器。比较passive.2.涉及到人工引入的信号的方法。比如controlled-source electromagnetics. 3.一种包含流动测站的定位系统。
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