保持电容器 holding capacitor
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为了保证所测试的结果具有可比性，必须保持电容探头离试样袋口相等的距离。
In order to make a comparison of test results, equal distance between capacitance detector and open side of test bag must be assured in each test.
在汽车内部，电流激发一个感应线圈，感应线圈连接在一堆电容上面，电容可以保持流过的电流和电压稳定在适当的水平上。
Inside the car, electricity energizes an inductive coil attached to a bunch of capacitors that help keep the currents and voltages at the right levels.
电容器从放电电路断开以后，电容器中保持剩余的电荷，从而在电容器的端子之间重新建立起电压。
After a capacitor is disconnected from a discharge circuit, a residual charge remains on the capacitor, so a voltage is re-established across the capacitor terminals.
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