a vibration tester 振动试验机
a vibration sensor 振动传感器
a vibration signal 振动信号
a vibration acceleration 振动加速度
when a vibration occurred 当一个发生振动时
An earthquake is a vibration that travels through the earth's crust.
地震是一种穿过地壳的震动。
“As you make a vibration more intense, what people hear seems louder,” says Yau.
姚说:“震动越是剧烈,人们听到的声音似乎更响亮。”
"The idea is that the time that the pulse is on is about a quarter of a period of a vibration, " Sankey said.
桑基解释:“办法就是在四分之一的震动周期中施加脉冲,就像推小孩儿荡秋千一样,一个脉冲推动一次”。
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