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- particle vibrating speed 质点振动速度
- The maxium particle vibration velorcity(ppv) taking as safety criteria is real. 文章进行了工程实际验算,说明在主频率下,最大质点振动速度是真实的安全判据。
- The affective value of vibration speed measured under non-load operation shall not exceed those specified in Table 5. 电动机在空载时测得的振动速度有效值不超过表5的规定。
- Excavation blasting of pile-holes under the foundation of a highrise was carried out by use of short-delay blasting for control of particle vibration velocity. 在高层建筑基础底进行石方控制爆破，采用微差手段进行质点振速控制，成功地完成了基底石方控爆任务。
- Dual Speed Selection lets you choose between 2 vibrating speeds for your different needs. The Low Speed vibration gives a gentle massage while the high speed vibration gives the extra oomph. 两种速度选择，可配合不同的按摩需求作不同选择。高速震动可快速而有效的舒解酸痛，松弛紧绷肌肉；低速震动则提供柔和舒适的按摩。
- Through the field monitoring of blasting seismic wave and using the blasting shock damage criterion,the causes for the block-dropping in the adit were analyzed and the allowable peak particle vibration velocity for the adit was given. 通过现场爆破地震波的监测,结合爆破震动破坏判据,分析了平硐产生落块的原因,给出了平硐的允许峰值质点振动速度的建议值。
- No horse has a speed comparable to that of his. 没有一匹马的速度能比得上他的马。
- That's all there is to make a speed dial call. 在那里全部要进行快速拨号呼叫。
- There wasn't a particle of truth in what he said. 他说的没有一点真话。
- There's not a particle of truth in her story. 她讲的没有一句实话。
- The great virtue of air travel is speed. 乘飞机旅行的最大优点是速度快。
- Peak velocity of particle vibration(PPV) 质点峰值振动速度（PPV）
- He drove the car at full speed through the town. 他驾驶汽车全速穿过那座城镇。
- Electromagnetic wave are produced when charged particles vibrate or lose energy. 当带电粒子振动或失去能量是，就会产生电磁波。
- The car rushed at the bridge at astonishing speed. 汽车以惊人的速度向桥冲过去。
- peak particle vibration velocity 质点峰值振动速度
- I haven't got one particle of race prejudice. 我没有丝毫的种族偏见。
- The motorcycles were spinning along at full speed. 摩托车正全速疾驰。
- There is not a particle of truth in his report. 他的报告没有一点真实性。
- What's the speed limit on the motorway? 高速公路的速度限制是多少?
