地震走时表 seismic travel-time table
近震走时表 Near earthquake travel time table
佐普利兹-特纳走时表 Zoppritz-Turner travel time table
钟表走时误差 horological timekeeping error
手表走时测试 watch testing
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首先对其首波pn进行分析，结果表明其线性关系较好，计算出的速度值与华南地区近震走时表中所用的地壳模型中的速度值一致。
First, we analyze the head wave PN, it shows that it's good in linearity relation, and the value of PN velocity counted out is same to the crust model using in the list of pass time of HuaNan seism.
石英表走时准。
游丝问题：游丝故障也是导致机械表在正常走时的时候出现偷停情况的原因之一。
Also add to the balance spring problem: balance spring failure mechanical watch when normal walking to steal one of reasons for stopping.
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