“脉动”造句
有时,在局部速度中可能出现瞬时
脉动.
Sometimes temporal fluctuation may take place inthe local velocity.
各种激发源形成
脉动,以产生间歇的辐射.
The different excitation sources are pulsed to give intermittment radiation.
我们欲求的因子必然有两次
脉动.
Our desired operator must have two excursions.