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- This paper discusses sketchily the classification dassify and meachanism of obstruction, further expounds detailed influence of absrtuction on amplitude ank period of vibration. 讨论了阻力的分类及微观机理;阻力对振动振幅和周期的影响.
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- Measuring Period of Vibration Using CAI System 利用计算机辅助教学系统测量振动周期
- Which period of history are you studying? 你正在学哪一段历史？
- This was the most difficult period of his life. 这是他一生中最艰难的时期。
- A condition, time, or period of flowering. 花期一种开花的状态、一段开花的时间或时期
- The capital cost is amortizable over a period of ten years. 资本费用可在十年之内分期偿还。
- Of, characterized by, or consisting of vibration. 振动的振动的，以振动为特征的，由振动组成的
- The new government ushered in a period of prosperity. 新政府的成立带来了一个繁荣的时期。
- Manufacturers of vibration test equipment. 生产振荡测试设备。
- The lectureship is tenable for a period of three years. 讲师这一职位任期三年。
- In a short period of time he grew into a great communist fighter. 在很短时期中，他成长为一名伟大的共产产义战士。
- The act or a period of observing; surveillance. 观察; 警戒观察或监视的行为或时间
- The period of service of a minister. 牧师任期充当牧师的时限
- The nitrate ion has four fundamental modes of vibration. 硝酸离子有四个基频形式。
- A period of such abstention or self-denial. 断食期，节食期这种戒除或自我克制的时期
- Alcoholics often suffer from periods of oblivion. 饮酒过度的人常常失去记忆。
- The development of vibration plates has been highly eventful. 振动式平板夯的发展已得到了高度的重视。
- We have three periods of chemistry a week. 我们一星期三节化学课。
