例句與造句

1. Use on 4 wells shows that , the new variable - frequency operates well , bringing about good power saving effect and extension of pump overhaul period
   4口井的現(xiàn)場應(yīng)用結(jié)果表明，新型電泵控制系統(tǒng)運行狀態(tài)良好，節(jié)能效果明顯，延長了檢泵周期，經(jīng)濟效益較好。
2. The circular monopole ultra - wideband antenna has not only the extremely wide band in frequency domain , but also stable phase center , which makes the antenna radiate and receive the short pulse signals without any distortion , and suitable for various ultra - wideband communication systems or the single antenna of other multi - frequency operating communication systems
   這種天線不僅具有極寬的阻抗帶寬,還擁有穩(wěn)定的相位中心。這使得圓盤單極超寬帶天線可以不失真地收發(fā)時域短脈沖信號。所以該天線不僅適用于超寬帶通信中,還能夠作為復(fù)雜多頻工作系統(tǒng)的單一收發(fā)天線。
3. It's difficult to find frequency operating in a sentence. 用frequency operating造句挺難的