可应用于负载较轻，中短距离，低速运动等场合。
Applied in the condition of light load, medium or short distance, slow speed etc.
地热异常、地壳内存在低速层和高导层、强烈地震频繁发生等现象说明，这一地区是现代构造运动的活动区。
The geothermal anomaly, low velocity zone and high conductivity layer in crust, and frequent occurrence of strong earthquakes show that the study area is an active area of modern tectonization.
地热异常、地壳内存在低速层和高导层、强烈地震频繁发生等现象说明，这一地区是现代构造运动的活动区。
The depth of upper mantle high-conductive layer in Chinese mainland is presented and a cause of its formation is given.
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