Stand diameter structure 林分直径结构
diameter structure model 直径结构模型
preserving diameter structure 保径结构
diameter structure regularity 直径结构规律
stand diameter structure model 林分直径结构模型
diameter structure of natural forest 天然林直径结构
Two kind of deciduous broadleaved mixed forest’s age is 46 years, the diameter structure assumes the normal right distribution characteristic, namely has the same age forest diameter structure.
两种落叶阔叶林林分年龄均为46年,林分直径结构呈正态偏右分布特征,即具有同龄林林分直径结构。
参考来源 - 青阳县栎类阔叶林生物量与优势树种生长规律研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Full diameter structure of ball valve ensures the conformity of inside diameter of passage and pipeline, with the fluid resistance minimized and easy for cleaning pipeline.
全通径结构保证通道内径与管线内径一致，不但使流体阻力最小，也便于清洁通道。
The height structure and diameter structure of A. senticosus population relate with community environments and with its own age structure characteristics.
刺五加种群的高度结构与径级结构的变化都与群落环境以及本身的年龄结构特点有关。
The diameter structure, importance value, distribution pattern and survival curve of broad-leaved Korean pine of over-logged forest in Jingouling forest Farm was analysed.
对金沟岭林场阔叶红松过伐林直径结构、重要值、分布格局以及存活曲线进行了分析。
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