keystone resources

基本解释

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英汉例句

雙語例句

• The unified management of water resources in the Tarim River Basin is all along a keystone of water resources management in Xinjiang.
  塔裡木河流域水資源統一琯理問題，一直是新疆水資源琯理的重點。
• 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".
  榕屬植物爲多種食果動物重要的食物資源，特別是在其他果實缺乏的季節，因此有關鍵物種之稱。

權威例句

• 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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专业释义

生物學

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