Viviparous propagation of plants is divided into seed viviparity and vegetative organ viviparity.
植物方式有种子营养体2种类型。
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Ichthyosaurs and other contemporary viviparous species, by contrast, gave birth to multiple offspring.
对比之下,其它现代胎生物种可以生育多个后代。
And what made it worse was that, instead of tactfully ignoring it, Bernard proceeded to make open comments on this revoltingly viviparous scene.
更糟糕的是,伯纳对这令人作的胎生场面不但不是巧妙地置之不理,反倒公开发表起了意见。
Had it survived to birth it would have been about 1.8 metres in length, and about one and a half times as heavy (relative to parental weight) as the offspring of other viviparous species of the time.
如成功分娩,幼蛇颈的身长可为1.8米左右,体重大约是同时期其它胎生物种后代的1.5倍(相对于父母的重量)。
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