Dynamic efficient sustainedyield — the sustainedyield 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。
2
Static efficient sustainedyield — 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。
3
The term "sustainedyield" is probably most useful has applied to the yield of well fields in situations that Thomas has termed "water-course aquifers".