功率谱密度不论水淹程度如何，整体为一随频率增大其能量按指数递减连续频谱；
The density of power spectral entropy, on the whole, is an exponential decline curve with frequency augmentation without reference to water flooded extent.
利用油藏工程方法，研究了Oseil油田油藏驱动能量、产量递减规律和各井含水变化规律。
Developing petroleum reservoir method, we developed drive energy of reservoirs, law of decline of production and regular pattern of containing water of Wells in Oseil field.
电池用有毒化学物质储存能量，而且它们的效力是随着时间递减的。
Batteries store energy using toxic chemicals and their effectiveness fades over time.
电池用有毒化学物质储存能量，而且它们的效力是随着时间递减的。
Batteries store energy using toxic chemicals and their effectiveness fades over time.
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