地震波波前到达某个观测点，在观测点上，检波器检测到质点振动的时刻称为波的初至时间，简称初至。
网络释义专业释义
折射静校应用研究_stmopen 关键词】: 折射静校 初至 折射速度 延迟时间 [gap=827]Keywords】: refraction statics; first arrival; refraction velocity; delay time
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双语例句原声例句
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一个特别有趣的例子发生在17世纪初至18世纪初，那时意大利北部的克雷莫纳市生产了一批非同寻常的小提琴。
There's a particularly interesting case with an extraordinary generation of violins made in Northern Italy, in the city of Cremona, back in the late 1600s to early 1700s.
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老爷车通常被定义为制造于1919初至1930年末“复古年代”的汽车。
A vintage car is commonly defined as a car built between the start of 1919 and the end of 1930 known as the "vintage era".
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我把这种思维过程比作美国9月初至11月5日发生“预感交易”时交易者所经历的那种思维过程。
I liken this thought process to the "anticipation trade" in the U.S. that occurred from the beginning of September through November 5th.
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What it means is if you'd release a rock at that location one second before with a certain speed that we can calculate, it would've ended up here with precisely the position and velocity it had at the beginning of our experiment.
它的意义在于,若在该处以特定速度抛出一个物体,这个速度可通过计算得到,一秒之后,物体会运动至我们设定的起点,并且速度为我们设定的初速度
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$firstVoiceSent
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