常见的材料有桃花心木(Mahogany)及杉木(Central American Cedar),两种木材均为褐色,纹理平直而稳定。桃花心木硬度较高及稍重,杉木颜色较淡,油漆后十分漂亮,但硬度比桃花心木稍有不如。
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研究了云杉、松树及杉木等树种枝梢害虫的区系。
The fauna of spruce, pines and Chinese fir branch-shoot pests were studied.
用计算机模拟试验的方法,对杉木和马尾松平均树高、平均胸径及最大密度的数学模型的预报有效性进行检验。
This paper deals with the effectiveness of H-HA models, D-H models and maximum density-D models of Chinese fir and Masson pine, making use of computerized simulation tests.
对49个杉木地理种源进行了生长发育及种源选择的研究。
This paper deals with the study of the growth, development and selection of 49 China fir provenances.
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