fertility的例句大全

Studies on effect of turnover of green-manure and wheat straw into soil on soil fertility& i. effect of green-manure and wheat straw on characteristics of aggregates and organic matter in soil

绿肥、麦秸还田培养地力的研究&Ⅰ.对土壤有机质和团聚体性状的影响从土壤结构性的变化看绿肥和秸秆还田在养地中的意义

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The machine vision hardware system is built for identifying exterior quality and fertility of hatching egg.

建立了基于机器视觉的种蛋筛选和孵化成活性检测硬件系统.

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Analysis on the Soil Fertility in T on gde County

同德农业土壤肥力状况浅析

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Now, research on hundreds of harbour porpoises washed up around the UK over the past decade raises concerns about male fertility too.

现在，对过去十年中在英国各地被冲上岸的数百只港湾鼠海豚的研究，又引起了人们对雄性生殖能力的担忧。

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Sub-fertility was defined as failure to conceive for at least a year after initiating unprotected sex with the goal of conceiving.

低生育能力的定义为：以生育为目的的无防护性生活超过一年，仍没有怀孕。

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Function of Soil Improvement and Fertility for Hippophae rhamnoides Plantations

沙棘林改土培肥作用的研究

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The immunological response induced by sperm antigen, ova antigen, and reproductive hormone antigen can interfer the physiological regulation of fertility. This is the theory basis of the immunological contraception.

针对机体精子抗原、卵表面抗原以及生殖激素抗原发生的免疫反应会干扰生育的生理调节过程，这是免疫避孕的理论基础。

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In order to increase soil fertility, and to improve ecological environment, screen experimentation of planting different leguminous forages had been taken in Guangxia grapery.

为提高土壤肥力、改善生态条件，在宁夏广夏葡萄园中进行牧草种植筛选试验。

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It has been used to enhance physical endurance, the fertility and sexual performance of men and women and to treat women with menopausal symptoms.

传统上作为食物和草药用于强壮身体、提高生育力、改善性功能、治疗女性更年期综合征等。

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But, in the main, demographic decline is the consequence of the low fertility that generally goes with growing prosperity.

但是，人口下降的主要原因是低出生率，而低的出差率通常伴随着经济的逐渐繁荣。

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On Some Basic Ideological Issues in Adjusting China's Fertility Policy

关于调整中国生育政策需要解决的几个基本认识问题

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The Formation of Chinese Present Fertility Policy and the Consideration about Its Amendment

中国现行生育政策的形成及对其未来调整方向的思考

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The uncertain longevity and endogenous fertility were introduced into a stochastic model in the continuous time, overlapping generations ′ economy.

在生育率内生的情况下，引入寿命不确定性，建立生育率、死亡概率和经济增长率的随机动态模型。

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But if RRAC was relatively small, then mortality and fertility were positively correlated while mortality and economic growth rate were negatively correlated.

当风险厌恶系数较小时，生育率与死亡率是正相关的，经济增长率与死亡概率也是正相关的。

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Pregnancy remains the most reliable indicator of fertility, as doctors often confirm.

怀孕仍然是生育能力最可靠的指标，正如医生经常确认的那样。

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But they had the effect of increasing fertility.

但它们却产生了促进生育率的效应.

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Hong Kong is one of the territories experiencing the lowest-low fertility in the world.

香港是世界上生育率水平最低的 超低 生育率地区之一.

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The faeces contain nitrogen that enriches the desert soil and promotes fertility.

粪便中含有氮，能滋养荒芜的土地并促进其肥沃。

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