survey and design of harvest cutting
主伐调查设计
基于1个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress
但另一方面，我国用材林面积和单位面积上森林蓄积量都在锐减，这就在客观上增加了伐区区划和主伐调查设计的劳动量和劳动强度。
On the other hand, the area of usable forest and the volume of standing timber in one unit area are descending sharply in our country, which aggravates the labor intensify impersonally.
youdao
应用推荐
模块上移
模块下移
不移动