当两个等位基因不同时,称之为杂合性的.When the two alleles are not identical , they are said to be heterozygous.自交杂合子有一半杂合性, 因此远系繁殖可以产生适应能量更强的种群.Selfing heterozygotes halves the heterozygosity , and thus outbreeding maintains heterozygosit...
屋瓦相互叠盖.Tiles overlap each other.从前额切下一块皮来, 叠盖在毁损了的鼻子上.A flap of skin was cut from the forehead, and folded over the damaged nose.把石板瓦安放在屋顶上,使之相互叠盖.Put the slats on the roof so that they lap over....
This is the auto setting for call of 128 kbps or lower.这是连接速率为128kbps或更低时的自动设置.Its 128 Kbps speed was considered nothing short of amazing.其128Kbps的速度令人惊叹不已.By contrast, ISDN basic service provides symmetrical 128 Kbps se...