Combine the first step studied the bark feature and total sugar, the dissolubility sugar contents with its the relation for endanger.
初步研究了树皮特征及总糖、可溶性糖含量与其危害的关系。
Combine the first step studied the bark feature and total sugar, the dissolubility sugar contents with its the relation for endanger.
初步研究了树皮特征及总糖、可溶性糖含量与其危害的关系。
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