例句與造句

1. as 4ws system is a typical system with stochastic perturbations, which are from the road surface unevenness and side wind and ca n't be described by deterministic function, the probability and statistics theory must be used in such research
   由于汽車四輪轉向系統(tǒng)是典型的一個存在隨機擾動的系統(tǒng)，振源主要就是路面的不平度和地面的側風，這類擾動不能用確定性的時間或空間函數(shù)去描述，只能用概率統(tǒng)計的方法去研究。
2. according to author's practical experience accumulated in many years of water project construction, the author gives brief description to some common quality defects in cast-in-site concrete construction, such as honeycomb, ballast-surface, holes, reinforcement emerging, crack, surface unevenness, insufficient strength etc
   根據(jù)在水利水電工程施工中多年積累的實踐經(jīng)驗，簡要闡述了現(xiàn)澆混凝土施工中常見的一些質量缺陷，如混凝土出現(xiàn)蜂窩、麻面、孔洞、露筋、裂縫、表面不平整、強度偏低等。
3. It's difficult to find surface unevenness in a sentence. 用surface unevenness造句挺難的