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异性孪生母犊不孕症
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异性孪生母犊不孕症
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农学
家畜妊娠诊断
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freemartinism
异性孪生母犊不孕症
雌雄两性胎儿同胎妊娠,母犊的生殖器官发育异常,表现出以雌雄两性的内生殖器官、有不同程度向雄性转化的卵睾体,但外生殖器官基本呈现正常雌性为特征的先天性疾病。
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extra dimension model
extradition
Extradition Convention between the Governments of Costa Rica,Guatemala,Honduras,Nicaragua and Salvador
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extraembryonic ectoderm
extraembryonic endoderm
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extra fine sand made of tailings
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