例句與造句

1. it utilizes two boltclamped langevin transducers with unanimous frequency characteristic which convert vertical vibration to flexural traveling wave . they are arranged on the place of a elastic pipe to generated traveling-wave . when the traveling-wave propagate, the particles on the elastic pipe traverse an elliptic trajectory, materiel is transported by friction or acoustic streaming
   利用兩套頻率特性一致并以縱向振動方式工作的夾心式換能器,通過合理的布局在導(dǎo)管中激勵出行波,使輸送管管壁質(zhì)點產(chǎn)生橢圓運動,從而利用摩擦或在液體中產(chǎn)生聲流來實現(xiàn)固體及液體的傳送。
2. It's difficult to find elliptic trajectory in a sentence. 用elliptic trajectory造句挺難的