However, distant river field also is facing the dilemma with degressive resource.
然而, 辽河油田也面临着资源递减的困境.
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在市中心和环线作用下, 各个地价梯度等级自内向外呈梯度递减变化.
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油田开采的规律, 一般可分为高产期 、 稳产期 、 递减期.
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There is a law of diminishing returns that becomes operative in old age, I find.
我发现存在着一条报酬递减的规律,人到老年时这一规律对他就变得很应验.
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With increasing of water depth, the number of plantlet and inflorescence gradually dwindles.
沿着水深梯度, 竹叶眼子菜的抽条数(无性繁殖)和花序数呈递减趋势.
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