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- rise and down of pipe 管子的升降
- The data of the subject A showed that the post-exercise recovery period was occurred between 180 second and 200 second.A rapid rise and down of HR was occurred between 215 sec and 240 sec. 由受测者A的数据可以看出，在第180秒到200秒左右心率都保持正常快速恢复期，接著出现一个快速的心率上升下降（约在215秒到240秒间）。
- Unwind collocate electro motion rise and down product function. 放卷配置了电动升降料的功能。
- The ups and downs of volatile stocks. 易波动的股票沉浮
- He has experienced the ups and downs of life. 他经历过。
- It described the ups and downs of life. 它描写了人生的沉浮。
- The constant ups and downs of daily strife. 不断起伏日常纷争.
- It is the changes of the political, economical and moral system in Qin and Han Dynasty that leads to the rises and downs of amateurish knights. 正是秦汉时期政治、经济体制和社会道德的变革导致了任侠风尚的兴起和后来的衰微；
- The ups and downs of adolescence can be difficult for parents. 青春期的浮沉令父母伤透脑筋。
- Rise and Decline of Social Morals and Ups and Downs of Rome Empire 社会道德的兴衰与罗马帝国的兴亡
- He has a good mastery of the ups and downs of volatile stocks. 他对易波动的股票沉浮掌握得很好。
- Rise and Fall--On the Ups and Downs of New Liberalism 潮起潮落--谈新自由主义的兴起与衰落
- They swear to go through the ups and downs of life together. 他们发誓要相偕走过人生的风风雨雨。
- I am reading a book about the rise and fall of the Roman Empire. 我正在看一本关于罗马帝国兴衰的书。
- The old man stared the uninvited guest up and down. 老人把不速之客上下打量了一番。
- The rise and fall of the temperature is caused by the wind. 气温的上升和下降是刮风引起的。
- The sun appears to rise and set because of the earth's rotation. 因为地球在自转,看上去就有了日出和日落。
- This resulted in marked ups and downs of stock prices/share index. 这导致了股价/（股价）指数的大起大落。
- During the period of shut- down of a heated crude oil pipeline， the temperature drop of oil will make its viscosity rise and even result in the frozen pipeline， it will cause difficulty for restart of pipeline. 在加热原油管道停输过程中，油品温度下降，粘度上升，有时甚至出现冻管事故，常常给再启动带来困难。
- Extraction of full and half of pipe can be chosen. 可整管和半管提取，有效节约试验成本。
