查询词典 fertility

Those trajectories have been influenced more by the rise of the women's movement and women's earning power, lower fertility and changes in divorce laws than by dour Dows.

而离婚率的增加，与微薄的经济收入相比，更多是由于女权运动不断上演，女权养家糊口的能力提高和越来越低的生育率引起的。

This indicates that the major restricting factor for soil fertility in this region is low soil pH and loss of exchangeable base anions.

因此土壤酸化并伴随盐基离子的淋失是限制研究区水稻土土壤肥力质量的关键因素。

The results showed that the spatial distribution range of soil fertility in Qinling forest area on south slope was soil pH volue 5.97～6.89,organic matter 6.6～50.1 g·kg~-1, total N 0.5～3.8 g·kg~-1 ,available N 33.6～257.3 mg·kg~-1,available P 0.81～5.8 mg·kg~-1,available K 38.9～262.4 mg·kg~-1,clay particle content 11.3%～18.1%,capacity of exchangeable base 68.5～310.2 mmol·kg~-1 respectively; The spatial variation degree of available P, organic matter, and total N was big,whereas clay particle content and active acid pH value was small;the spatial variation degree of soil pH value, organic matter, available P, clay particle content, and capacity of exchangeable base decreased with the deep of soil,whereas soil total N、available N, and available K increased.

结果表明，秦岭南坡土壤肥力指标在整个土壤剖面空间分异范围分别为：土壤pH值5.97～6.89，有机质含量6.6～50.1 g·kg-1，土壤全N含量0.5～3.8 g·kg-1，碱解N含量33.6～257.3 mg·kg-1，速效P含量0.81～5.8 mg·kg-1，速效K含量38.9～262.4 mg·kg-1，粘粒含量11.3%～18.1%，阳离子代换量68.5～310.2 mmol·kg-1；其空间分异程度以速效P、有机质和土壤全N含量较大，土壤粘粒含量和土壤pH值较小；随着土层的加深，土壤pH值、有机质、速效P、土壤粘粒含量和阳离子代换量空间分异程度减小，而土壤全N、碱解N和速效K含量空间分异程度增大。

The influence of long-term application of fertilizers and tillage under conditions of 12-year rice-based cropping system on soil nitrogen fertility was studied on Taihu region of the south Jiangsu Province. The results showed that total N content in the soil layer of 0～5 cm reached 2.89% in the long-term fallowed soil. The treatment of fallow in combination with plowing every crop season reduced total N content to 2%, occupying 70%of the M value.

通过十二年的耕作和施肥长期定位试验研究表明，苏南太湖稻麦轮作地区，长期休闲的农田0～5cm土层最高含氮量可达2.89%，休闲田结合每季耕翻，全氮含量下降，只及最高含氮量的70%，保持在2%左右。

On one hand fertilizer rate must be in accordance with soil fertility and crop's nutrient property; on the other application should abide by the principle of combining the organic manure with inorganic nutrients and primary with secondary and micro-nutrients.

一方面施肥量必须与土壤肥力和作物养分特征一致；另一方面应当有机肥与无机养分配合施用，大量元素、中量元素和微量元素配合施用。

Wild giant pandas generally live for about 20 years, giant panda birth, the body is a flesh-colored, weighing about 100 to 200 g; about 20 days to grow hair; in 3 months or so hair can be long-range a; panda baby at six months of age can begin feeding the; grow to 6,7 years of age have fertility capability.

野生的大熊猫一般来说能活20年左右，大熊猫出生时，身体是肉色的，体重大约在100~200克；大约20天左右长出毛来；在3个月左右毛就能长齐全了；熊猫宝宝在半岁时就可以开始觅食了；长到6、7岁时就有生育能力了。

They point out that fertility clinic freezers worldwide are bulging with thousands of unwanted embryos slated for disposal.

他们指出全球各地的生殖中心门诊冷藏着上千个准备丢弃的多余的胚胎。

In this paper, we analysed the use present situation and the existng problems of land resources in Xin Yang region by a host of statistics, and expounded the essential causes of soil erosion, soil pollution, soil fertility drop,soil gleying and ploughland reduction and so on.

本文以大量的统计资料分析了信阳地区土地资源利用现状和存在的问题，阐明了引起本区水土流失，土壤肥力减退，低产田，土壤污染，土壤潜育化，耕地减少等问题的根本原因，针对这些问题，提出了一些对策。

Double gourds are especially treasured as symbols of fertility.

双葫芦是特别珍贵的生育率作为符号。

Fungi are important in the process of decay, which returns ingredients to the soil, en hances soil fertility, and decomposes animal debris.

真菌在腐化过程中十分重要，而腐化过程将化学物质回馈于土壤，提高其肥力，并分解动物粪便。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐