Surveying underground的意思|示意

Seismic exploration is a feasible method for surveying geo-structure in underground.

地震勘探对地下地质结构的调查是一种行之有效的方法。

Surveying underground is influenced by all kinds of factors, which is frequently conflicted with other work.

作业受各种因素影响，经常与其他工作发生冲突。

The engineering practice indicates the above-mentioned control surveying technique for underground engineering of city is applicable and valuable.

工程实践表明，上述采用的测控技术和方法对于城市地下工程施工有实用价值。

Seisemic exploration is a feasible method for surveying geo-structure in underground.

地震勘探对地下地质结构的调查是一种行之有效的方法。

The electricity character of karst cave has much difference than that of wall rock, so the surveying method of direct current can find out if there be karst cave underground.

由于地下岩溶与周围围岩存在明显的电性差异，可以通过直流电法勘探查明地下是否存在岩溶形态。

With the development of electromagnetic applications in modern science and technology, electromagnetic wave surveying underground targets become an important area of application.

随着电磁波应用在现代科技中的飞速发展，电磁探测地下目标成为电磁波应用的一个重要领域。