noun
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1
- the act of sexual procreation between a man and a woman;the man's penis is inserted into the woman's vagina and excited until orgasm and ejaculation occur
- Synonym: sexual intercourse intercourse sex act coitus coition sexual congress congress sexual relation relation carnal knowledge
数据来源:WordNet
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The copulation in mule market has become the common thing .
骡马市上的交配也就成了情理之事。
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Copulation occurred mainly at 10:00-11:00 every day .
交配行为主要发生在每天的10:00~11:00时;
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In addition , an improved real-coding copulation operator was also raised .
另外,给出了一个改进的实数编码的两点交叉算子。
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The pattern of copulation behavior mainly exists in the form of polygyny .
在扭角羚群体内主要是以一夫多妻制的形式存在。
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A Theory of Bending and Damp Characteristics of Lamina Containing Copulation Between Laminates
计入层间结合状态的层合板弯曲理论与阻尼特性
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A study on conception rate of Angora rabbits as a result of concentrating forced copulation
长毛兔集中强迫配种受胎率的研究
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Deterministic behavior models on copulation , spawning and environmental selection of artificial fish are built .
建立了人工鱼产生交配欲望、产卵和环境选择等预定义行为的认知模型。
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The reproductive system has a complex innervation concerned in copulation and oviposition .
生殖系统有一个同交尾和产卵有关的复杂神经系统。
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Tests show that spermatophore is not produced by the male during copulation .
试验表明交尾时雄虫不产生精包。
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Results Oncomelania hupensis hupensis 's copulation behavior included calling and mating .
结果钉螺的交配行为可分为觅偶和求偶2个阶段;
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The present paper approached a theory of bending , elastic and viscous behaviors , containing copulation state between laminates .
讨论计入层间结合状态的层合板弯曲理论、弹性和粘弹性行为。
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Study on the Change of Reproductive Hormones in Crab-eating Macaque after Copulation in Guangxi Area
广西地区食蟹猴配种后主要生殖激素的变化
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Effect to Egg-laying Caused by Ripeness and Duration of Copulation of Silkworm Moth
家蚕蛾的成熟度及交配时间对产卵的影响
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Adults are active in daytime and copulation tookplace from evening to next early morning .
成虫白天活动,黄昏时交尾,羽化多集中于凌晨。
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Albania was very interested in concluding a copulation agreement .
阿尔巴尼亚对尽快达成合作协议表现出浓厚的兴趣。
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Greater genetic variation was found in the Co copulation for all traits , and additive variance was a dominant genetic component ;
结果发明,Co群体各性状均具有较大的遗传变异,其遗传组成以加性分量力主;
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Minimus was developed to22 generations by artificial copulation , meanwhile its ecological characteristics were observed too in laboratory .
用人工交配法,在室内饲养繁殖微小按蚊至22代,同时对微小按蚊生态习性作了一些观。
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Studies on the reproduction of the oriental migratory locust : the physiological effects of castration and copulation
东亚飞蝗生殖的研究:去势和交尾在生理上的效应
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The number of copulation for the female moths is only one , while the male moths 1 ~ 2 times .
雌蛾只交尾1次,雄蛾可交尾1~2次。
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However , the hairs on or in the male terminaliae may be of importance in copulation .
但是,尾器的感觉毛数量多、分布广,可能在完成交配行为中具有重要意义。
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But copulation experience did not affect the host-locating and host-examining time .
交配与否不影响雌蜂用于搜寻寄主和检验寄主的时间。
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Measurement of G_ ⅱ Affected by Copulation State Between Layers in ELS and ENF of Composites
层间结合状态对复合材料ELS和ENF试样GⅡ的影响
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Some male placoderm fossils show evidence of graspers that held the female fish during copulation .
一些雄性盾皮鱼化石显示出在交配期间用来抓住雌鱼的紧握器的证据。
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The results showed that the root voles delayed breeding period and the frequency of the copulation significantly lowered ( P < 0.01 ) .
结果表明,当暴露于艾虎气味中时,根田鼠产生繁殖迟滞,且交配行为的频率显著降低(P<0.01)。
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The relationship between the male ages and the rate of insemination in the artificial copulation of Anopheles BALABACENSIS
巴拉巴按蚊人工交配中雄蚊蚊龄与受精率的关系
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Observation on copulation and reproduction of Musca domestica
对家蝇交配与繁殖的观察
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This is the law of him that hath the issue of seed , and that is defiled by copulation .
这是有关因淋病,或遗精沾染不洁的人。
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Coleosoma octomculatum 's behavior of courtship and copulation can be divided into three stages ;
八斑鞘腹蛛的婚配行为可分为三个阶段:精子转移、求婚、交配;
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Germ plasm characteristics such as initial fruitage time , mature period , blossom flower and the affinity of copulation between various types were described .
记叙了各类梅的一般性状、果实大小、始果期、成熟期、花期、花器和交配亲和性等种质特征。
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Methods The mature snail , Oncomelania hupensis hupensis was observed under light microscopy , and all the course of the copulation behavior was recorded .
方法将5~6旋活力较强的成熟钉螺放入培养皿中,置于奥林巴斯体视解剖镜下观察,记录全部交配过程。