例句與造句

1. According to the principle of transportation speed produces space effect and time effect , this paper general have stated the important meaning that raising the automobile speed of freight transport for socioeconomic development
   本文根據(jù)運輸速度產(chǎn)生空間效應(yīng)和時間效應(yīng)的原理，概述了提高汽車貨物運輸速度對社會經(jīng)濟發(fā)展的重要意義。
2. It's difficult to find principle of transportation in a sentence. 用principle of transportation造句挺難的