chinese fir
常见例句
- The characteristics of transverse fracture of Chinese Fir from macro and microcosmic, and the mechanism of strong toughness of wood was studied in this paper.
以杉木为研究对象从宏观和微观上研究了木材横纹断裂的性质,并阐述了木材的强韧机理。 - There was significant difference of tangential shrinkage at different heights for Chinese Fir and I-72 poplar, while no significant difference for radial shrinkage.
高度位置的不同对杉木和I-72杨木的弦向干缩均有显著影响,而对径向干缩则无显著影响; - In this paper, 12 years old Chinese Fir clones were studied on the genetic variation of growth properties, basic density and tracheid morphological characteristics.
本文综合研究了12年生杉木无性系试验林的生长性状、基本密度和管胞形态的遗传变异规律。 返回 chinese fir