例句與造句

1. Abstract : in this paper , the kinematically admissible velocity fields are established by using the metal flow patterns based on the experiments , and the configuration dimensions of billet and the curves of load - stroke in precision forging process for spur gear from solid billet are simulated on computer by upper bound method . the results acquired in the simulation are in good agreement with those obtained in the experiments
   文摘:本文利用有實(shí)驗(yàn)根據(jù)的變形流動(dòng)模式建立動(dòng)可容速度場，利用上限法模擬用實(shí)心坯料精鍛直齒圓柱齒輪時(shí)坯料的外形尺寸變化和力?行程曲線，所得結(jié)果與實(shí)驗(yàn)測定值很一致，可供沖擠精鍛工藝設(shè)計(jì)參考。
2. It's difficult to find kinematically admissible velocity in a sentence. 用kinematically admissible velocity造句挺難的