“间歇地”造句
还设计了另一种系统,它能够
间歇地发送瞬间脉冲.
Still another system is designed to send out transient pulses intermittently.
狂风
间歇地席卷火星上的尘云.
Violent winds periodically drive clouds of dust around Mars.
在稍高一些的流速时,个别的颗粒沿着河床
间歇地滚动和滑动.
At some higher velocity individual grains will roll and slide intermittently along the bed.