progress of exploration and study是什么意思 progress of exploration and study怎么读
progress of exploration and study的相关资料
progress of exploration and study的用法和样例
- Therefore, the progress of study and survey is significant to the exploration for PGE deposits in China.
这些勘查进展对我国的铂族金属矿床勘查具有借鉴意义。
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