Picea sitchensis
英
美
网络 北美云杉; 西加云杉; 云杉; 西特喀云杉; 美国西加云杉
双语例句
- Report of Study Tour Abroad on American Picea sitchensis
美国西加云杉出国考察报告 - The biological and ecological characteristics as well as habitat condition of Picea sitchensis have been briefed; meanwhile the study direction of its species introduction has been advanced.
简要介绍了西加云杉的生物生态学特性及其生境条件，并提出了该树种引种的研究方向。