“natural decline of yield”的概念、定义、翻译、参考文献-科学参考

单词	natural decline of yield
释义	natural decline of yield Encyclopedia 工学产量自然递减释 natural decline of yield产量自然递减率扣除多种增产措施增加的产量后，老井单位时间内油气产量的自然变化率或自然下降率。反映了油气田或油气井产量自然递减状况。
随便看	policyholder policy impact evaluation policy implementation policy implementation movement policy improvement policy-improvement iteration policy innovation policy iteration policy-iteration method policy learning policy legitimation policy life cycle policy loan provision policy making policy making variables theory policy management authority policy management pattern policy monitoring policy monitoring in China policy monitoring in western countries policy network policy of agricultural land circulation Policy of Appeasement Policy of Benevolence policy of border areas

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