This article mainly concentrated on the parameters transformation of vibrating compaction, hitting of roll compacted concrete, and surface vibration on the basis of experimental research.
通过试验研究，本文论述了碾压混凝土的振动碾压，击实和表面振动的参数变换关系。
Each time she moved up in vibration, the weekend with her son would cause her to roll back in frequency and become ill.
每次她提高振动，但到周末和她儿子呆一起时就导致她频率回跌而生病。
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