Porphyry copper deposit belongs to the important type of copper deposits and heads the list of demonstrated reserves in all types of copper deposits.

斑岩型铜矿床是重要的铜矿类型，在已探明的铜储量中斑岩型铜矿居首位。

youdao

Gas and wood burning energy saving stoves and cookers were designed specifically for project communities and were successfully demonstrated in all 13 nature reserves.

项目专门为项目社区设计了节能型炉灶和炊具，并成功地在全部13个保护区开展了这方面的示范。

youdao

The Huangboshuwan witherite deposit is the first one that its reserves have been demonstrated in Shaanxi Province.

本矿床是我省首次探明储量的毒重石矿床。

youdao

Accordingly, probable reserves is when deliverability has been demonstrated, and proved reserves is when production wells have started or been completed and deliverability has been demonstrated.

FORBES: Geothermal Update: Growth Spurt Ahead

Graham Stewart, the company's chief executive said Faroe has "demonstrated its ability to deliver solid value for shareholders" by the "strengthening of its reserves and production base".

BBC: Oil company Faroe Petroleum raises expectations