查询词典 fertility

The fertility of meandering rivers is reflected by the huge biodiversity that can be supported in these areas.

这里的生物多样性在在反映出淤泥肥沃的滋养力。

The megagamete fertility, the quantity of the anther , pollen sac wall structure and the dehiscent state, the quantity of the pollen grain were observed in the flowering phase I

第Ⅰ花期观察供试材料的雌配子育性、颖花内花药数、花药吐露情况、成熟花粉囊壁的开裂状况与结构、花粉量

It was thought that space induction caused the variation of size, fertility and the abnormal meiosis.

分析认为花粉的大小差异和花粉的育性与减数分裂异常有关，而这些现象都是航天诱变造成的

Soil microorganism and soil enzyme activity is one of the most important indexes influencing the soil fertility.

土壤微生物和土壤酶活性是反映土壤肥力最为重要的生物学指标之一。

At the end of the article , the cultivated land fertility of Qingzhou city isevaluated according to the procedure and method of the mixed evaluationmode, and the area , the space distribution characteristic and the attribute ofeach grade are analyzed on the basis of the evaluation result .

在文章的最后，根据评价的流程和方法采用混合评价模式对青州市耕地地力进行了评价，结合这个评价结果，对各个等级的面积、空间分布特征、属性进行了描述性分析，并提出了合理利用的建议。

Has the munificent soil fertility condition, west here depending on the Shanghai international automobile city.

有优厚的地力条件、这里西靠上海国际汽车城。

Actinomyces were found in the root system,which has markedly increased soil fertility,yield and the economic effect of the non-timeber species that were mixedly planted with Myrica rubra.

根部有放线菌共生，能显著提高土壤肥力，提高与其混栽的经济树种产量和经济效益。

The nadir of fertility appears to be 1.3 children per woman.

总和生育率的最小值约为1.3。

To study the area crop distribution and the plan disposition analysis indicated that in 21.99 hm2 type area total cultivated area,the current planters beet,the naked oat,the potato,reached the proportion which occupies with the corn and the red kidney bean five crops respectively was 32.93%,36.88%,5.39%,5.61%and 19.19%;Choosed the region symbolic soil fertility target 0～10 cm surface layer soil the physical property clay content to carry on the farmland regionalization altogether to divide into 4 levels:The 1st level, soil physical property clay content＞30%;The 2nd level,25～30%;The 3rd level,20～25%; The 4th level,＜20%.,Showed that the plots 1～4 the proportion of cultivated land were 3.32 percent and 26.39 percent,32.16 percent and 38.13 percent.

对研究区作物分布与规划配置分析表明，在21.99hm~2样区总耕地面积中，当前种植的甜菜、莜麦、马铃薯、饲用玉米和红芸豆五种作物所占的比重分别为32.93%、36.88%、5.39%、5.61%和19.19%；选择区域标志性土壤肥力指标0～10cm表层土壤的物理性粘粒含量进行农田区划共分为4级：第1级，土壤物理性粘粒含量＞30%；第2级，25～30%；第3级，20～25%：第4级，＜20%。，表明该样区1到4级耕地所占的比重分别为3.32%、26.39%、32.16%和38.13%。

Objective: To explore the anti-fertility effect of the compound of neem oil on female mice.

目的：探讨印楝油复合物对小鼠的抗生育作用。

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