有源的 meaning in English

active

A derived class inherits properties from a base class
一个有源的基类中继承属性。
If you want to have multiple copies of source on your computer , you can create more than one workspace for a specific source control server
如果您希望在计算机上有源的多份副本，可以为特定源代码管理服务器创建多个工作区。
The whole pwm circuit contains two subcircuit , the front - end is pwm module that make up of the counter that based on nine mosfet true - single - phase - clock d flip - flop ; the back - end is demodulated module , which is consist of a three order chebyshev low - pass filter used trans - conductor capacitor . all the subcircuits are simulated . at last , an approving simulated result of the whole circuit is given too
在调制部分,利用九管单相时钟d触发器构成计数器,并由此组成了脉冲宽度调制电路,同时给出了在典型温度下的仿真结果;在解调部分,介绍了低通滤波器从无源到有源的设计方法,设计了三阶切比雪夫低通跨导电容滤波器,同样给出了相应的仿真结果;最后,作为将脉冲宽度调制电路和滤波器作为整体电路,以脉冲调频波为输入进行了仿真,取得了令人满意的结果。