polymorphic site index curve 多形地位指数曲线
Finally, a general discussion on properties of the polymorphic site index curve equation for Chinese fir was made.
最后讨论了本文所用的杉木多形地位指数曲线模型的一些特性。
Site index tables regarding Japanese larch in eastern Liaoning were mapped out by using stem analysis guide curve.
采用解析木导向曲线法编制了辽东地区日本落叶松地位指数表。
Single form site index table was constructed after derived curve was expanded by differential method.
用差分法展开导向曲线，编制了单形立地指数表。
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