And it may also be why men are allowed to shed a tear or two every now and then without anyone questioning whether they can handle their hard-won power.
而且这也可以解释，为什么男人可以时不时地抹上两把眼泪，而没人怀疑他们能否游刃有余地操纵这来之不易的管理大权。
So the steady output power is hard to be gotten without the perfect control circuit and control methods.
若没有完善的控制电路和控制方法要获得比较稳定的功率输出是难以达到的。
So the steady output power is hard to be gotten without the perfect control circuit and control methods.
若没有完善的控制电路和控制方法要获得比较稳定的功率输出是难以达到的。
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