查询词典 fertility

Based on the practice of nectarine breeding,the systematical inheritance of peel tomenta, flesh color ,pollen fertility and flavor of parents and their hybridization offsprings was analysed.

结合油桃育种实践，对亲本、杂交后代的果皮茸毛、肉色、花粉育性、果实风味等性状进行了系统遗传分析，结果进一步证实了果皮茸毛、肉色、花粉育性3个性状各由1对等位基因控制，其中果皮有茸毛对无茸毛、白肉对黄肉、花粉可育对败育均呈完全显性，且这3对等位基因分别呈独立遗传，无互作效应；选择甜风味的品种作亲本，杂交后代出现甜油桃单株的比例较高。

In her new movie,"The Proposal," Sandra Bullock , playing a Type A witch, totters around in a pair of exquisite high heels, the kind that elongate the legs and give a woman's derri re the gentle backward thrust familiar from fertility figurines.

Sandra Bullock 在她的新片《假结婚》中饰演的角色简直是个 A 型（ A 型行为(一种行为范例或行为模式，其特征是性情急躁，有高度进取心和紧迫感，易引发冠心病)）女魔头，穿着一双秀腿提臀的精致高跟鞋，屁股翘得让人想起了丰满的女性雕像，可惜高跟鞋让她有些摇摇欲坠。

Fertility undershoots.

出生率跌过头。

The government is paying for fertility counseling, operations to reverse vasectomies and tubal ligations, as well as removals of intrauterine devices, the most common form of birth control in China.

政府出资进行生育咨询、结扎手术、宫内避孕等，这些我国最常见的人口控制方式。

The government is paying for fertility counseling, operations to reverse vasectomies and tubal ligations, as well as removals of intrauterine devices, the most common form of birth control in China.

通过对他们输卵管或输精管的复通，或者清除避孕环，可以帮助他们再次怀孕。

Nutrient inputs from fertilizers play an essential role in soil fertility build-up on uplands which provides the base for sustainable production.

来自肥料的养分投入在旱地土壤培肥中起着必不可少的作用，而土壤培肥又是持续生产的基础。

RESULTS: For recurrence of endometrioma, the reised American Fertility Society score, younger age at surgery, and preious medical treatment of endometriosis were identified to be risk factors.

结果：对于子宫内膜瘤的复发，修订的美国生育协会评分、最早手术年龄、以及曾用于治疗子宫内膜异位症的药物都是危险因素。

The control of wind erosion can maintain the fertility of farmland in arid and semi arid region.

可以采用保护性耕作技术防止农田沙漠化和提高作物产量。

It is suggested that sulfur may be necessary to be applied to high fertility cotton field to increase lint yield.

上述结果说明，在新疆高产棉田中使用单质硫肥能够进一步增加棉花产量。

Investigation and evaluation of soil and water resources in Minqin Oasis indicate that the proportion of grain crop, cash crop and grass is 36.94:45.16:17.90 for 2005. And a comparison with that for 1991 indicates that land use structure is developing towards rational proportion of grain crop, cash crop and grass; and harmony among agriculture, stockbreeding and forest. The main limiting factors of land resources are water, soil quality, salinity and fertility, and there is about 3.9218×10^8 m^3 water deficit per year in Minqin Oasis.

通过水土资源现状的分析评价，发现2005年民勤绿洲粮经草比例为36.94：45.16：17.90，与1991年相比，土地利用格局正向粮经草比例优化和农林牧协调方向发展；民勤绿洲土地资源的限制性因素主要为水分、土质、盐碱和肥力；对水资源现状分析发现民勤绿洲年缺水量达3.9218亿立方公尺。

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