stand structure

In terms of economic reform it should stand by the reality and future, adjust the educational structure according to the social need;

从经济改革的角度出发，立足现实、考虑未来，按照阿坝州经济社会需要调整教育结构；

This results in unmatched in age between suckers and root sys-tem, obviously will affect stand structure and biomass of black locust firewood forest.

结果表明，未割柴林分的萌条密度、平均高度、平均地径、叶面积指数、生物量和生产量，均随年龄增长而增加。

Construction Technique of Prestressed Engineering for 18m Inclined Girder in Stand Structure of Taizhou Stadium

台州体育场看台18m悬挑斜梁预应力工程施工技术体育场看台施工中的抗裂防渗技术

Gap drives the development of forest ecosystem. It first influences the environmental factors, and further affects the composition of plant species, stand structure and succession phase.

林窗作为森林生态系统发展的重要驱动力，影响着森林的环境、物种组成结构以及森林的更新演替方向。

The management target and reasonable stand structure of every forest types were put forward in this thesis, in order to achieve the best social, economic, and ecological effects. 9.

提出各林种的经营目标和合理的林分结构，以获取最佳的生态效益、最大的经济效益和最好的社会效益。

A telescopic aerial, stand, umbrella Technical specification for steel structure of light-weight buildings with gabled frames

伸缩式天线、伸缩式支架、折叠伞.门式刚架轻型房屋钢结构技术规程

Its distribution pattern was aggregative and the stand structure had distinct levels.

分布格局呈群聚型,林分结构层次分明.

The pattern design of stand collar and tailor collar structure construct is discussed.

探讨了翻立领和驳领的结构设计原理,通过作图阐明了其理论的依据.

The enlightening modernity in the modern western context forms the basic retrospective stand of Heidegger, whereas the tension structure of aesthetic modernity and enlightening modernity is his basic critical direction.

西方现代思想语境中的（启蒙）现代性构成了海德格尔的基本反思立场，审美现代性与启蒙现代性的张力结构则是海德格尔的基本批判向度。

And the black dragon hill forest birch in young and middle aged forest harvesting and forest stand growth and structure were analyzed, mainly including: the average diameter of stand diameter structure, accumulation, spatial structure, etc..

并对黑龙山林场白桦中幼龄林采伐前后林分生长和结构差异进行分析，主要包括：林分平均直径、蓄积、直径结构、空间结构等。

Under the different tree environment, the aero-anion horizontal difference is remarkable; ( 3) In the city ecology environment, the concentration of air anions and CI had no significant differences when the stand structure of arbores were different;

在城市环境下，不同林分结构类型的乔木片林对空气负离子水平以及空气质量指数（CI）的影响差异不显著；（4）天气条件对绿地的空气负离子水平存在显著影响；

A study on the tropical rain forest stand structure with improved Weibull function

用变型Weibull分布对热带雨林结构规律的研究

The self-made convert structure radial-thrust hybrid bearings test stand can bear radial load, thrust load and both the two direction loads at the same time.

自制的径向-推力联合动静压轴承试验台采用倒置结构，可实现径向加载、轴向加载以及两个方向同时加载。

According to the transition probability matrix combining with stand original distribution, the change of stand structure in fifteen years was modeled.

根据转移概率参数（a、b）和进界生长参数（d）可以得到落叶松的转移概率矩阵，结合其初始分布可模拟15年后林分的结构变化。