近期的海洋试验表明，中国的海底大地电磁探测技术已实现了实用化，可为海洋勘查提供高技术支撑。
Recent marine experiments indicate that the seafloor magnetotelluric prospecting in China have achieved utility and can offer high technology support in marine prospecting.
与雷达和声纳技术相似，激光雷达(光探测和测距)的工作原理是通过向目标发射电磁波然后根据反射波构建图像。
Like its Cousins radar and sonar, lidar (light detection and ranging), works by broadcasting electromagnetic waves towards a target and then building up a picture from the reflection.
用扇形探测技术代替了常规的测量方法以提高矿井瞬变电磁法超前探测资料的解释精度。
Sector detection technology was used to enhance the explanation accuracy of mine transient electromagnetic method in advanced detection instead of conventional survey.
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