结果表明，虫害指数的高低与当年生枝条的长度、芽数、芽密度、粗纤维含量无关，而与当年生枝条韧皮部、木质部容重之间存在极显著的线性关系。

The result shows the amount of the index of harm has no connection with the length of branches growing in the very year, the quantity of buds, the density of buds and the content of raw fiber.

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研究表明，影响木结构墙体隔声的因素有墙板的面密度、墙骨的规格和间距、玻璃纤维棉的容重和厚度。

To fabricate wood structure walls with good sound insulation, the paper studied the influences of building details on the sound insulation of wood structure walls.

youdao

研究表明，影响木结构墙体隔声的因素有墙板的面密度、墙骨的规格和间距、玻璃纤维棉的容重和厚度。

To fabricate wood structure walls with good sound insulation, the paper studied the influences of building details on the sound insulation of wood structure walls.

youdao