So far there is only a consistency in the definitions of proved developedreserves for oil and gas over the worldwide government entities and petroleum industry.
目前，石油储量只有证实已开发储量的分类定义在各国和各上市油公司之间具有较好的一致性。
2
China's growing demand for natural resources is matched by Africa's significant and often under-developed oil and mineral reserves.
中国对自然资源的需求不断增长，正好与非洲的丰富且往往开发不足的石油矿产储藏互补。
3
It is said that the location of vast reserves of higher-grade ores of most minerals favors increasing dependence of all industrialized regions on imports from less-developed countries.