防风林是由树木和其它植物形成的屏障，农民在其农田四周种植防风林。
Windbreaks are barriers formed by trees and other plants. Farmers plant these barriers around their fields.
初植密度对落叶松人工林的纤维形态特征、物理特征及化学特征有重要的影响，除生长轮宽度外，其它各指标差异显著；
Planting density has significant effects on fiber morphology, physical and chemical properties of Lalix olgensis wood. Except growth-ring width, remarkable differences was found in other indexes.
目前，我国绝大对数地区营造的人工林均以用材林模式为主，为了保证造林初期的成活，初植密度普遍较大。
Nowadays, most of plantation are timber forest used in many area in China and for guaranteeing the high survival rate, the density of initial stocking of trees is generally large.
林奈木的表观结构植纹鉴定实验结果证明：林奈木径向壁镶嵌类型为“I型”，副卫细胞为双细胞横列型。
The results about plant print identification on apparent structural of Linnaea borealis L. showed that: mounted type of radial wall was "I type", the type of sub-ward cells was"row double cells type".
报名认植“企业林”的在华外国企业和机构可以组织员工参与植树活动。
On the day of planting, enterprises and institutions that have registered for part of the woods may bring all the staff or the representatives to join this program.
报名认植“企业林”的在华外国企业和机构可以组织员工参与植树活动。
On the day of planting, enterprises and institutions that have registered for part of the woods may bring all the staff or the representatives to join this program.
应用推荐