短語詞組短語load half -cycle 加載半周期half -cycle driving 半周期驅(qū)動(dòng)half clock cycle 半時(shí)鐘周期negative half -cycle 負(fù)半周half load cycle mode 半周期運(yùn)行模式resetting half -cycle 恢復(fù)半周期second half machine cycle 后半機(jī)器周期one half -cycle 半次全振動(dòng) 返回 half cycle