... camera preamplifier 摄象机预放器... ECG preamplifier心电前置放大器... preamplifier stage 前置放大级 ...
双语例句
1
Preamplifier and filter were used for cancellation of respiratory ECG, body interference.
利用前置放大器和滤波器有效滤除掉呼吸，心电，人体等干扰。
2
In this paper, the preamplifier circuit and the methods of anti-interference used for the portable ECG monitor were introduced. In this circuit, single power supply was be used.