periodically造句

Periodically , the lamellae become enlarged, forming flattened, membrane - enclosed vesicles called thylakoids.
片層周期性地擴(kuò)展, 形成扁平的有膜為界的囊,稱為類囊體.

Mortality is the number or volume of trees periodically rendered unusable through natural causes.
枯損是一類由于自然原因而定期變得無用的林木株數(shù)或材積.

Police were periodically patrolling the area.
警察定時在這一地區(qū)巡邏。

Air cooling coils in most refrigerated applications become frosted and must be periodically defrosted.
空氣冷卻盤管在冷庫制冷過程中結(jié)霜是經(jīng)常發(fā)生且不可避免的問題,必須要周期性的除霜.

Henke said. " Yoko would periodically call and speak to whoever answers. "
洋 子會定期打進(jìn)來,跟接電話的人講話,不管誰接.

Hairpieces need to be replaced periodically.
假發(fā)需要定期更換.

It makes melt , plasticating, injection and pressure corse go on in the state of vibrating periodically.
分析了此種振動裝置在注射階段脈動螺桿的動態(tài)響應(yīng)以及振幅和頻率的特性.

Prometheus periodically gores the F ring drawing out streamers of material from the ring.
普羅米修斯周期性的F環(huán)觸的彩帶,從材料的戒指.

Economic crises recur periodically.
經(jīng)濟(jì)危機(jī)周期性地發(fā)生.

The geyser erupts periodically.
間歇泉周期性地噴發(fā).

• #periodically