例句與造句

1. The purpose of the study is to investigate the vibrating impact of racket heads , fixed or unfixed , with different amounts of string tension when striking a tennis ball
   摘要本研究旨在探討網(wǎng)球拍于不同張力狀態(tài)下，拍頭固定與未固定受碰撞后，網(wǎng)球拍彎曲或扭曲所耗損之動(dòng)量沖量。
2. The cast iron plate . stability for sound dynamics . the cast iron plate which can absorb the huge 20 tons - plus string tension without any hint of distortion creates the basis for the
   鑄鐵板能夠承受住琴弦所產(chǎn)生的高達(dá)20多噸的拉力,這是一臺(tái)鋼琴能夠發(fā)出強(qiáng)勁，富有動(dòng)感并及具表現(xiàn)力的聲音的前提條件。
3. It's difficult to find string tension in a sentence. 用string tension造句挺難的