没有复位至零，这意味着合成回路锁定时间将是可变的。
There is no reset to zero , which means that the synthesiser loop lock-up time will be variable.
如果你想重置计时器回零，按下复位按钮。
If you want to reset the timer back to zero, hit the reset button.
利用有源钳位电路实现主变压器铁心对称复位，功率开关在宽输入电压和宽负载电流范围内零电压开关。
By using an active clamp circuit, the power transformer core is symmetrically reset. Zero voltage switching conditions are achieved over a broad input voltage and output current range.
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