例句與造句

1. the main contributions of the dissertation are as follows . in chapter 2, the dissertation demonstrates the design of an airfoil model with a control surface driven by an ultrasonic motor as the actuator first, and then presents the experimental modeling of the actuator
   論文的主要工作與學(xué)術(shù)貢獻(xiàn)如下:(1)設(shè)計(jì)了以超聲電機(jī)為作動(dòng)器驅(qū)動(dòng)控制面的二維翼段模型,并建立了作動(dòng)器的傳遞函數(shù)模型。
2. It's difficult to find surface driving in a sentence. 用surface driving造句挺難的