However, your experience in a level can go below zero.

但是当前等级的经验有可能低于零值。

youdao

Several zero voltage and zero current switching PWM push pull three level converters are proposed.

最后，本文还提出了另外几种零电压零电流开关PWM推挽三电平直流变换器。

youdao

There is now a level zero.

现在有零级了。

youdao

There is now a level zero.

现在有零级了。

youdao