viviparity信息详情
n.胎生；母体发芽
aplacental viviparity───胎盘胎生
Viviparity has evolved about a hundred times in reptiles," said herpetologist Rick Shine of the University of Sydney in Australia.───澳大利亚悉尼大学的爬虫学者瑞克.谢利（Rick Shine）说，“胎生在爬虫类动物中有了成百倍的进化，所以它们不再多产也很正常。
Sharks display three ways to bear their young, varying by species, oviparity, viviparity and ovoviviparity.───鲨鱼有三种繁殖方式，它们的繁殖方式因物种而异，分别是卵胎生、胎生和卵胎生。
Every birds bird is oviparous, and it is viviparity however.───都是卵生，而它却是胎生的。
This and later fossil evidence for viviparity in marine reptiles and early mammals is reviewed.───这和以后的化石证据胎生的海洋爬行动物和哺乳动物早期审查。
viviparity The condition of giving birth to active, free-swimming young.───胎生生产活跃的自由游泳幼鱼的状况。
Life habit: Perches in the dry area, the viviparity , may give birth to 6-8 young snake.───生活习性：栖息于干燥地区，胎生，可产下6-8条幼蛇。
The gestation of demand cone of broad sense is led by technological innovation. That is that continuous viviparity is promoted technological innovation.