forest stand的例句大全

Firstly, forest stand mean height and volume were estimated based on low-density airborne LiDAR ( 0.39 points/ m2) using the improved crown recognition algorithm.

首先，基于低密度机载激光雷达数据（0.39个点/m2）利用改进的树冠识别算法进行了林分平均高、蓄积量估测试验。

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。

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

it pointed out the main factors determining the growth of fruit bodies of the edible fungus suillus luteus and the greatest yield were accompanying tree species, site, forest stand structure and soil;

提出决定褐环粘盖牛肝菌等菌根食用菌子实体能否发生和发生最大产量的根本因素是共生树种类型、立地、林分结构、土壤；

In the forest stand whose crown closure is under 0.5, the average value of mean square error is 0.502m, distributed between 0 to 0.7m and the frequency is 82.8% and the frequency whose mean square error is under 1m is 91.4%.

在郁闭度小于0.5林分中，平均中误差为0.502m，集中分布在0~0.7m范围内，频率为82.8%，中误差小于1m的频率为91.4%。

A shareholder stand-off in the Black Forest.

山林地区股东的势均力敌之争。

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。

To make Chinese traditional music culture stand firmly on the forest of world music culture, this text has proposed some countermeasures in order to carry forward Chinese traditional music culture.

要使中国传统音乐文化立足于世界音乐文化之林，必须走继承与创新、借鉴与融合之路。据此，本文提出了弘扬中国传统音乐文化的若干对策。

Edward? Grieg ( Edvard Grieg, 1843~ 1907) and this great Norwegian folk pie with his life, founder of the national music energy let Norway with unique style music stand tall in national forest.

爱德华·格里格（Edvard Grieg，1843～1907）这位伟大的挪威民族乐派的奠基人，用他的毕生精力让挪威的民族音乐以独树一帜的风格屹立于世界民族音乐之林。

Working out Cunninghamia lanceolata Plantation Stand Species Outturn Percentage Table of Youxi National Forest Farm Determination of Wood Color Characteristics and Its Variation among Trees of Chinese White Poplar Plantation

尤溪国有林场杉木人工林林分材种出材率表的编制人工林毛白杨木材材色测定及其株间变异

Stand Density-Control Map Making for Chinese Pine Forest Sowed by Airplane in Henan Province

河南省油松飞播林林分密度控制图编制

Today, the world history enters 21st century, China has been already with its strong economic strength and enormous development potentiality, stand erect in the national forest of the world, has injected limitless life and vigor into development of the international economy.

在世界历史进入二十一世纪的今天，中国已经以其强大的经济实力和巨大的发展潜力，屹立于世界民族之林，为世界经济的发展注入了无限的生机与活力。

Effect of Inefficient Protection Forest Regeneration on Variation of Biodiversity of Stand

低效防护林改造对林地生物多样性变化的影响

The Grey Decision on Stand-Hole Regeneration of Schrenk Spruce Stand in the Mid-Eastern Sector of the Tianshan Mountains The Effects of Dwarf Bamboo on the Gap Regeneration of Subalpine Dark Coniferous Forest in Wolong Nature Reserve

天山中东部天山云杉林窗更新的灰色决策小径竹对卧龙自然保护区亚高山暗针叶林林窗更新的影响研究

Among virgin forest, over-cut forest, and secondary forest, it was proved that plant diversity in different layer ( stand crown, shrub and grass) in varieties of communities depended on degree of disturbance.

通过对原始林、过伐林、次生林等受到不同程度人为干扰的森林类型的植物多样性的调查研究认为，干扰程度不同，不同群落各个层次植物多样性指数大小及次序变化不同。

The basic diameter of stem and height of 55 tree species for stand conversion of ecological forest in Dongguan city were investigated in each season for two years. The results showed that: Trees grown faster between spring equinox and autumn equinox.

对东莞板岭生态公益林林分改造所用的55个树种的基径和树高生长量按季节进行调查，为期2年，结果显示：春分~秋分是这些树种的生长峰期。

To clarify the relation between the pollen percentage of Larix and its stand density, surface samples from tundra, forest tundra and taiga in the Far East Russia were analyzed.

为了搞清楚落叶松花粉百分比和实际森林密度的关系，我们系统地分析了从苔原、森林苔原以及泰加林的表土样品。

Stand description factors affecting the harm extent of the Gypsy moth ( Ocneria dispar) was studied, through stepwise regression analysis from which three significant ones were selected: crown density, infertile extent of soil and forest area.

研究了12个影响舞毒蛾危害程度的林分因子，对这些林分因子对舞毒蛾危害程度进行逐步回归分析，从中筛选出主林层郁闭度、土壤瘠薄程度和林地面积3个关键因子。

stand mineral cycling in forest, material cycling in forest energy equilibrium in forest

森林生态系统生物地理群落农林复合生态系统森林物质循环森林能量平衡林分

investigation and study on effect of over crowded stand of poplar on growth of forest

杨树过密林分对林木生长影响的调查研究