查询词典 trackbed
- 与 trackbed 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The principle of railroad trackbed inspection with GPR mounted on track vehicle is introduced. In line with requirements of exploring depth, accuracy and speed in the process of field survey, the layout of GPR survey line is put forward, the center frequency of antenna, the maximum time window, the temporal sampling interval and the space between traces are calculated according to the theoretical formulas.
介绍了使用路检车装载探地雷达对铁路路基检测的原理，结合野外探测过程中对测量深度、精度和行车速度的要求，给出了GPR现场工作测线布置的原则，理论上给出天线中心频率、时窗、采样率、测量点距的计算公式。
- 推荐网络例句
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Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination
中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如
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We bought this house on the never-never.
我们以分期付款的方式买下这座房子。
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If they did move, and saved the penalty, the referee could insist on the penalty being retaken. In a Scottish 1945 game between Kilmarnock and Partick Thistle, Tommy White had to take a penalty seven times!
如果移动了，而且救出了点球，之前的点球可以视为无效，并重新再罚一次点球。1945年在 Kilmarnock 对阵Partick Thistle 的苏格兰联盟杯比赛中，判给其队的一次任意球，Tommy White却踢了7次。