Variance analysis showed that the fiber and xylem ray proportion among populations were insignificant, but the vessel-elements proportion varied greatly.
方差分析表明，种群间导管比量差异显著，木射线比量和纤维比量差异不显著。
2
The American Staffordshire Terrier's standard allows a variance in weight, but it should be in proportion to size.
美国斯塔福郡梗的标准允许在重量的一个变化，但是它应该是结构尺寸均衡的比例。
3
The genetic constitution of sister line and sister species made up the smaller proportion of the total crosses variance, but it had larger differences among the ear characters.