exploratory survey

探索调查

1. 勘测：exploratory period 勘探期 | exploratory survey 勘测 | exploratory well 探井

2. 勘测,控勘测量：勘测 reconnaissance survey | 勘测,控勘测量 exploratory survey | 勘测图 exploration map

3. 探索性调查：exploratory procedure 探索性方法 | exploratory survey 探索性调查 | explosion 爆炸

4. 探索调查：exploratory study ==> 探测性研究 | exploratory survey ==> 探索调查 | exploratory well ==> 探井

noun