查询词典 stud mating

Uses giemsa's dye and microscope observe bursa copulatrix sperm of silkworm directly, artificial insemination using the sperm, the studies shows: The seminal fluid is similar in the male moth seminal vesicle and in the female bursa copulatrix after mating 20 to 30 minute, and the seminal fluid is contains large number of eupyrene sperm bundles and not be activated.

采用姬姆萨染色及显微镜下直接观察家蚕交配囊中精液，并用交配囊精液进行人工授精，研究发现：交配20~30 min雌蛾交配囊中精液与雄蛾储精囊中精液一样，精液未被活化，含有大量有核精子束。

During conjugation, the complementary mating type cells unite pairwise undergo meiosis, exchange gametic nuclei and separate again.

在接合生殖期间，交配型互补的细胞相互识别配对，进行减数分裂、交换配子核，然后分开。

Dr Gaulin thinks an evolutionary fight is going on between natural selection, which conserves metabolic expenditure and promotes longevity, and sexual selection, which willingly trades both for extra mating opportunities.

Gaulin博士认为自然选择的目标和性选择的目标在进化中互相冲突，自然选择倾向于保存自己，降低代谢强度，让自己活得更长；而性选择的目标是为了得到更多的交配机会，不惜以代谢强度和长寿为代价。

Because muscles come at such cost, Dr Gaulin thinks an evolutionary fight is going on between natural selection, which conserves metabolic expenditure and promotes longevity, and sexual selection, which willingly trades both for extra mating opportunities.

肌肉的存在要付出相当代价， Gaulin博士认为自然选择的目标和性选择的目标在进化中互相冲突，自然选择倾向于保存自己，降低代谢强度，让自己活得更长；而性选择的目标是为了得到更多的交配机会，不惜以代谢强度和长寿为代价。

In a large, randomly mating population that is free of disturbing forces, allele and genotypic frequencies do not change and are related in a simple way.

在一个大的，随机交配的人口是免费的令人不安的力量，等位基因与基因型频率不改变，并在有关的一个简单的方法。

Mating systems, as the expression of breeding behaviors, resulted from evolution with species specific aspects and hereditability.

作为繁殖行为的一种表现形式，婚配制度是通过长期进化而形成的，具有种属特异性及可遗传性。

Cases are known where trioecy or, more generally, heteroecy, provides for an optimal mating system.

众所周知，单全异株，或者更通俗一些说，雌雄杂生为最适交配打下基

Cases are known where trioecy or, more generally, heteroecy, provides for an optimal mating system

众所周知，单全异株，或者更通俗一些说，雌雄杂生为最适交配打下基础。

Hsin-mei furiously bit down on his lips, for it occurred to him that the word " mating " was also homophonous with "Mei-t'ing" and had a meaning as well

辛楣狠命把牙齿咬跟唇，因为他想着&Mating&跟&梅亭&也是同音而更有意义。

Anxin huacheng Nonferrous Products Co.,Ltd.is the fist ISO9001,ISO14001 accredited companies in China,which enjoys a great popularity in the domestic market because of the advanced technics,the full line of product and the high quality.Now it has become the specified mating enterprise of Tianjin Tongyi Indus-trial Co.,Ltd.,Shandong Huari Battery Co.,Lted etc.so me foreign-owned enterprise and joint venture.

安新县华诚有色金属制品有限公司是国内首家获得IS09001、IS014001质量、环境体系双认证的铅基合金专业生产企业，其工艺之先进，品类之齐全，产品之优良已在国内同行业中享有盛誉，为天津统一工业有限公司、山东华日电池有限公司等外资、合资企业的定点配套企业。

He tendered his resignation to the Prime Minister.

他向首相递了辞呈。不适合

International economy and trade,Nanking 210044

国际经济与贸易，南京 210044