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- Experimentation indicate the system could adjust automatically hydraulic impactor work frequency and single impact energy according to work target,making the ... 实验表明该设计方案可以根据工作对象自动调节冲击频率和单次冲击能,实现液压冲击器的智能化工作。
- symmetric period n - 2 motion 对称周期n-2运动
- Step hydropower development in Lixianjiang river basin has single impacts and cumulative impacts on ecological environment as well as systematic and colonial and potential impacts. 李仙江流域梯级电站开发建设即有单个电站对生态环境的影响特征,又有影响的累积性、群体性、系统性、波及性和潜在性。
- The efflux hammer has good adaptive ability to lode, and single impacting energy can be enhanced greatly by increasing weight of the hammer under the condition of long displacement. 射流冲击器对负载的适应能力较高，且在大行程条件下，增加锤重可较大幅度地提高单次冲击功。
- The quantity melted at a single operation or in one period. 融化量单一操作中熔化的量，或在一定时期内熔化的量
- The letter was written on a single sheet of paper. 这封信只用一张纸写成。
- A period of duty at a single place or job. 任职期在某个地方或职务上的一段任期
- A single complete vibrating motion; a quiver. 颤动单一的完整摆动; 抖动
- A single complete cycle of such motion. 旋转一圈
- Once the earth formed4.5 billion years ago, asteroid impacts periodically shattered and sterilized the planet's surface for another half a billion years. 没有人知道，但有一点是确定的：生命起源必然是个化学事件。
- One single, second class, to winchester, please. 买一张去温撤斯特单程二等票。
- He got over the stream with a single leap. 他一跃就跳过了小溪。
- The bridge crosses the river in a single span. 河上那座桥是单跨桥。
- Do you want a single or a return ticket? 你要单程票还是往返票?
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- I have had to work for every single penny I earned. 我挣的每一便士都是辛苦工作得来的。
- The huntsman fired a single shot at the lion and settled its hash. 猎人朝那只狮子开了一枪，把它打死了。
- Five twenties and ten single, please. 请给我5张20元的和10张1元的。
- She wore a single orchid on her evening dress. 她在晚礼服上缀着一朵兰花。
- impact periodic motion 非线性反馈控制
