For convenience, the principal components with most messages are used in making an upper stand height table of the manchurian walnut site types which will be applied to the forest production.
为使用方便起见，以信息量最多的第一主分量，编制核桃楸立地类型上层林分高表，应用于林业生产实际。
The results show that the Jiangxi part of NanlingMountainous area can be divided into two forest site distribution subregions, two forest site type regions and 46 forest site-types.
研究结果：南岭山地(江西部分)划分为两个森林立地亚区，两类森林立地类型区，46个森林立地类型。
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