1、

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。

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2、

Compared with pure stand, mixed forest has a better soil nutrient status, the content of soil organic matter being increased 16.7%.

和纯林相比,混交林林下土壤养分状况有所改善,土壤有机质含量提高了16.7%。

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3、

PH of mixed coniferous and broadleaf stand, the artifical dahurian larch forest and clear cutting forest land are higher than that the select cutting forest land and the reserved zone;

pH:针阔混交林、落叶松人工林皆伐林地比择伐林地及保留带高,水解酸低,阔叶混交林则相反;

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4、

In a rain forest, where trees stand on the stilts of their roots.

在一片雨林中,树木挺立在它们的根上。

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5、

They thinned out a stand to create a lush forest tomorrow.

他们除去了林场中多余的树木,以利来日森林长得更茂密.

《简明英汉词典》

6、

A shareholder stand-off in the Black Forest.

山林地区股东的势均力敌之争。

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7、

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。

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8、

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

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9、

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。

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10、

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。

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12、

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

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13、

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。

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14、

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

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15、

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。

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16、
17、

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。

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18、

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。

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19、

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。

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20、

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。

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