known reserves 中文意思是什麼
known reserves
解釋
探明儲量, 已知儲量-
The united states energy department says they also held fifty - five percent of known reserves
美國能源部說，海彎國家也擁有已知儲量的55 % 。 -
China is plenty of mineral resources ; the known reserves are third largest in the world, which are narrowly fewer than the u. s. and russia
我國是世界上的資源大國，已經探明的礦產資源總量佔世界儲量的12 ，僅次於美國和俄羅斯，居世界第3位。 -
But now it is realized that supplies of some of them are limited, and it is even possible to give a reasonable estimate of their “ expectation of life ”, the time it will take to exhaust all known sources and reserves of these materials
可是現在人們意識到，其中有些礦物質的儲藏是有限的，人們甚至還可以比較合理的估計出這些礦物質「存在年數」 ，也就是說，經過若干年後，這些礦物的全部已知礦源和儲量將消耗殆盡。
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