Then a geological survey of a large or small area must be carried out. 然后就要在一个或大或小的地区进行地质调查。
The research work is hoped to provide several new ideas for the survey work of the hydrogeological conditions. 旨在为水文地质调查工作提供若干新的思路。
The report tells us some new discoveries of our geological survey teams. 报道介绍了我们的地质勘探队的一些新发现。
One of them was a big, snow-white fellow from Spitzbergen who had been brought away by a whaling captain, and who had later accompanied a Geological Survey into the Barrens. 其中一只很大,毛色雪白,来自斯匹茨卑根群岛,一个捕鲸船的船长把他带了出来,后来又跟着一个地质勘探队去了荒原。