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

网络

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。