该方法避开了直接选择比值性状而在统计和选择效率方面所遇到的诸多麻烦，从而解决了比值性状的综合选择问题。
This method avoids a lot of trouble in the statistics and selection efficiency from directly selecting ratio trait, thereby solving the problem of comprehensive selection for ratio trait.
但赖氨酸含量与蛋白质含量的比值同蛋白质性状的关系则以显著负相关为主，表明选择高蛋白质含量或蛋白质指数的单株将会显著降低该比值。
Some of the pairwise traits had negative genetic correlations especially for the traits between nutrient quality traits and the ratio of lysine content to protein content.
依主成分分析结果，在孢粉分析时各性状指标按重要性依次为花粉形状、极轴长、赤道轴长及萌发沟与极轴长之比值等。
The principal component analysis result shows that the most important factor is pollen shape when dealing with the pollen character, then P; E; L/P and so on.
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