keystone resources

常见例句

双语例句

• The unified management of water resources in the Tarim River Basin is all along a keystone of water resources management in Xinjiang.
  塔里木河流域水资源统一管理问题，一直是新疆水资源管理的重点。
• Figs (Ficus spp. , Moraceae) are important fruit resources for many frugivores , particularly during the period when other fruits are scarce, and so be called " keystone species".
  榕属植物为多种食果动物重要的食物资源，特别是在其他果实缺乏的季节，因此有关键物种之称。

权威例句

• The Keystone pipeline would contribute the similarly booming resources of Canada to America, more than a million barrels a day, more than is imported from Saudi Arabia or Venezuela.
  FORBES: As The Economy Recesses, Obama's Global Warming Delusions Are Truly Cruel
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