The best selection both for the whole country and for the sub-regions is the case of "middle or large specifications of one couple one child for one generation fertility policy for another 15 years".
在全国层面和省区层面有着较大普遍性的优选方案是15年后实行中口径或大口径的一代独生子女政策。
Germany not only has low fertility now, but has had for more than a generation.
德国不仅是现在出生率低，而且是一直低了有一代人。
It takes another generation before the effect of smaller families-that is, of lower fertility-starts to show up in the overall population figures.
这得需要下一代家庭同样很小，人口出生率低，才能在总人口的数字上呈现出减少的迹象。
Moreover, the cost of failing to produce new jobs is rising, as the babies born a generation ago (when fertility rates were higher) are entering the job market.
此外，随着一代前出生的婴儿(那个时候的出生率比较高)进入就业市场，未能产生新就业机会的成本正在上升。
But theoretically ICSC could be some affected male fertility abnormal chromosomes, mutation genetic or other genetic defects to the next generation.
但理论上ICSC有可能将一些影响男性生育的异常染色体、变异基因或其他遗传缺陷传给下一代。
Based on the direct benefit and cost, the economic threshold of the third generation bollworm was calculated to be 35 eggs per 100 plants for all the levels of soil fertility.
根据防治的直接收益与直接代价，算出了第三代棉铃虫的经济阈值为百株累计卵量35粒，这一阈值可适用于不同肥力水平的地块。
Based on the direct benefit and cost, the economic threshold of the third generation bollworm was calculated to be 35 eggs per 100 plants for all the levels of soil fertility.
根据防治的直接收益与直接代价，算出了第三代棉铃虫的经济阈值为百株累计卵量35粒，这一阈值可适用于不同肥力水平的地块。
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