drift-time-to-distance relation 漂移时间与距离的关系
The patterns of near field and far field are compared through experiment. Considering the fact, an experiment is made on the testing error caused by distance error and frequency drift.
考虑到实际应用，对距离标定误差和频率漂移引起的测试误差进行了实验研究。
With real examples, the optimal distance between following-vein drift and ore body with respect to the ore deposit diversity is.
通过实例计算，分析了沿脉进路与矿体的最佳距离随着矿体赋存状态的变化规律。
When we are ANGRY, our hearts drift apart. To mask the DISTANCE we felt, we instinctively SHOUT instead of speak so the other party can hear us.
最后教授解释说：“当两个人在生气的时候，心的距离是很远的，而为了掩盖当中的距离使对方能够听见，于是必须用喊得。”
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