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对文献上研究的早一晚期相关作了分析,发现这种相关比研究者曾经论及并运用的早晚期相关更有预见性。除非涉及1—3年生这样年幼的相关以外,年龄间的相关,可以采用适于几个树种和各种研究的简单回归方程估算,而且达到一定精度。此方程对遗传测验也可能是适用的。
An analysis of the early and late correlations in the literature and the finding that this correlation is more predictive than the early and late correlations that the researchers have discussed and applied. Unless related to such young age of 1-3 years, the age-related correlation can be estimated using a simple regression equation suitable for several tree species and various studies with a certain degree of precision. This equation may also be suitable for genetic testing.