Any of numerous nonvenomous longitudinally-striped viviparous North and Central American snakes. 北美和中美众多的无毒、胎生并有纵向条纹的蛇。
The unborn young of a viviparous vertebrate having a basic structural resemblance to the adult animal. 胎基本结构与成年动物相似的胎生脊椎动物未出生的幼子。
Any of various small viviparous new world fishes of the family poeciliidae, of fresh or brackish waters. 浮鲦产于新大陆的一种杂色鱼科小型胎生鱼,生活在淡水或半淡水中。
Study on Seed Germination Characteristics of Desert Viviparous Shrub in Western Ordos 西鄂尔多斯荒漠胎生灌木种子萌发特性研究
The one whose appearance has nine apertures is viviparous; 有形的实体是于无形之中产生的;
Small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control. 生活在淡水或半淡水水面通常体色鲜艳的小鱼;经常用于治蚊。
Viviparous percoid fishes comprising the surf fishes. 包含海鲫的胎生鲈形鱼。
Number of services per conception Man and most other mammals are viviparous. 平均每受胎一次所需配种次数人和其他大多数哺乳动物都是胎生的。
Ichthyosaurs and other contemporary viviparous species, by contrast, gave birth to multiple offspring. 相反,鱼龙和其他同时代的胎生动物会一次生出多个后代。
Viviparous percoid fishes comprising the surf fishes. viviparous blennies of temperate and tropical seas. 包含海鲫的胎生鲈形鱼。温带和热带的胎生粘鱼。
Research of Viviparous Plants in Xinjiang 新疆胎生植物研究
Development of the viviparous hypocotyl of mangrove and its adaptation to inter-tidal habitats: A review 红树胎生现象及其对潮间带生境适应性研究进展
The Viviparous Propagation of Plant 植物的胎生繁殖
Female reproductive output and neonate characteristics in a viviparous water snake ( sinonatrix annularis) 赤链华游蛇的雌性生殖输出和初生幼体特征(英文)
Families and genera of Viviparous Plants in China 中国胎生植物的科属研究
The Kinds and Geographical Distribution of Viviparous Plants in China 中国胎生植物的种类和地理分布
And viviparous type posterior cerebral artery may display. Variation of cerebrovascular in aneurysms is 83%, variation of cerebrovascular in cerebrovascular malformations occupy 12%, and cerebral infarctions and cerebral hemorrhages occupy 1.6%. 动脉瘤患者中脑血管变异者为83%,脑血管畸形者中脑血管变异者占12%,脑梗死及脑出血中脑血管变异者占1.6%。
The fruits or persistent pericarps of breeding seedlings during the viviparous developing were rich in the salt and this may do favorable to adaptation of seedlings to highly saline environment. 种苗胎生的孕育环境宿存果皮是一个盐分累积提高的高盐环境,这有利于种苗在胎生过程中对盐分的抗性锻炼。
The formation of viviparous plantlet can not be simply considered a reversion. The mode of viviparous reproduction has evolutionary significance from the point of its adaptability to environment. m用生茁的出现不能简单的认为是一种返祖现象,从其对环境的适应方面来说,应该说胎生苗的这种繁殖方式具有适应进化意义。
Among various climatic factors, the monthly mean temperature and precipitation have significant impacts on viviparous mangroves. 4. 在各气候因子中,月平均气温和月降水量对显胎生红树植物的影响比较大。
The placenta, providing the nutrients for mammalian viviparous animals during their time of pregnancy, is the organ for the embryo growth. 胎盘是哺乳类胎生动物在妊娠时为胎儿供应养分,供胚胎生长的特殊器官。
Objectives: Embryo implantation is an important and complicated physiological process in viviparous mammalian and human reproduction, which is also a precisely regulated and quickly accomplished physical phenomenon synchronized with development of maternal uterus and embryo at a particular time named "implantation window". 目的:胚胎着床是胎生哺乳动物及人类生殖生理的重要环节,是母体子宫与胚胎同步发育、在特定时期即着床窗开放期间精确调节、快速完成的生理现象。