Dynamic efficient sustained yield — the sustained yield that produces the highest present value of net benefit.

动态能效持续产能——净效益生产为最高当前价值的持续产出。

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Static efficient sustained yield — the sustained catch level in a fishery that produces the largest annual recurring net benefit.

静态效率持续生产——在渔场里有最大年度返还净利的持续捕鱼级别。

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The term "sustained yield" is probably most useful has applied to the yield of well fields in situations that Thomas has termed "water-course aquifers".

“持续开采量”这个术语用于托马斯称作“连河含水层”情况下的井田开采量，大概才是最合适的。

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First, national forests in America operate under a sustained-yield multiple-use mandate.

ECONOMIST: Letters

While on a day-to-day level, companies need to resolve disputes and move on, a more long-term and sustained focus could yield longer-term payoffs.

FORBES: Turn The Tables On Patent Trolls

The Center for Security Policy believes that, in light of the latest, powerful evidence of Mikhail Gorbachev's desire to preserve the power of the traditional central authorities in the USSR and his willingness to yield on this score only in the face of sustained pressure, it would be a grievous mistake for the West to come to his rescue.

CENTERFORSECURITYPOLICY: Center For Security Policy