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By using SSR molecular marker, clonal structure and individual identification of Corylus heterophylla Fisch was investigated on the basis of reproduction study.

以平榛为研究对象,在繁殖方式研究的基础上,利用SSR分子标记,对平榛克隆结构和个体鉴定进行了研究。

This study focused on characteristics related to the reproductive biology of Cyathea podophylla Copel. gametophytes, including growth habits, sexual expression, antheridiogen, ploidy, and genetic load.

本文著重於与鬼桫椤配子体繁殖有关之各种特性的研究,如生长习性,配子器发生顺序,促精素,倍体性,及遗传负荷等。

It suggested that Cynodon dactylon had strong toleration to flooding by prolonging stem, changing leaf shape and reducing biomass.

实验表明狗牙根繁殖体通过延长茎长、改变叶形和减少生物量等方式对水淹显示出较强的耐受能力。

But experts said that this is a deformational sheep, and the possibility to breed the 4-horned sheep is very small.

但专家断定这是一只畸形羊,繁殖出四角羊后代的可能性极小。

Ideally, dysplastic dogs should not be bred together to prevent the disease from staying in the gene pool.

理想化地,有这种疾病的狗狗是不应该继续在一起繁殖来防止这种疾病留在基因里。

The biological and, ecological character, reproduction technique and exploitation as well as utilization of Elaeagnus mollis were summarized in the paper.

对翅果油树的生物学特性,生态学特性,繁殖技术及其开发利用进行了综述,并对其合理开发利用提出建议。

Patterns of breeding birds along an elevational gradient were investigated in northern Taiwan.

本研究探讨台湾北部陆域繁殖鸟类沿海拔梯度的变化型态。

Originally Enki made seven men and seven women, but the numbers of mankind soon multiplied.

恩奇最初造了七个男人和七个女人,但是人类的数目很快又繁殖了。

A field experiment on the reproductive allocation of the annual plant Eragrostis poaeoides was carried out in the re-vegetated areas in Shapotou of the Tengger Desert.

:沙坡头人工固沙区不同始植年代一年生植物小画眉草的繁殖分配研究。

Moreover, erythroid colonies could be grown from blood samples without the need for exogenous erythropoietin.

此外,在没有促红细胞生成素的血样中红细胞可以繁殖。

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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

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。