求翻译：渔民的生产函数曲线随着钓鱼所花的小时数增加变得越来越平坦，这是因为随着渔民钓鱼所花小时数增加，用于钓鱼的每小时边际产量递减的特性。是什么意思？

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The fishermen fishing production function curve with the increased number of hours spent getting a flat, this is because with fishermen fishing spent hours for each hour of fishing marginal yield diminishing returns.

Fisherman's production function curve along with fishes the hourage increase which spends to become more and more smooth, this is because fishes the colored hourage along with the fisherman to increase, uses in each hour boundary decline of production characteristic which fishes.

Fishermen production curves increase as the number of hours spent fishing becomes more flat, this is due to increased as the number of hours spent by fishermen fishing, characteristic of diminishing marginal product per hour for fishing.

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