proved mineral reserves

基本解釋

It exists the good condition for Mn mineralization in Gansu Province, but the proved reserves is lower due of the lower exploration level of Mn mineral.
甘肅省錳礦具有較好的成礦條件，由于以往錳礦勘查工作薄弱，探明儲量不多。如能加大錳礦勘查投入力度，有望在近期實現(xiàn)找礦突破。
The economic benefits of nonferrous metallic mineral exploration of fourty years are summarized with the help of "ratio of output to investment" and average cost of proved reserves.
以資金的“投入產出率”和探明儲量平均勘查成本兩項指標概略地分析了主要礦種地質勘查工作的經(jīng)濟效益。
In the light of the prospect of China' s oil & gas mineral resources exploration, however, the oil resources still have great potential and the gas proved reserves will increase by a large margin.
從我國油氣資源勘查前景看，石油資源仍具有較大潛力，天然氣探明儲量仍將大幅增長。