两林

诸如：林业观念问题、两类林的划分问题、公益林生态效益补偿机制等问题，本文就以上这些问题予以初步探讨。

The above problems have been preliminarily questioned in the test .

在这两个林之间创建双向林信任关系。

Create a two-way forest trust relationship between the two forests .

两种林型的主要凋落物滤液对枫香种子萌发没有抑制作用或促进作用；

We also did not find any litter leachate inhibition or promotion effects on seed germination , although a short germination lag effect was found with leachate of pine needles and sweetgum leaves .

1999年云南省全面推开林业分类经营工作，并于2001年7月全面完成，2004年又组织开展了重点公益林区划界定工作，并对两类林比例进行了调整。

The forest classified management work was started in whole Yunnan province and finished in July of 2001 and the definition of priory non-commercial forest division was organized in 2004 and the proportion of 2 kinds of forest was regulated .

暖温带两种针叶林生态系统中茎流和穿透雨的养分特征研究

Nutrient characteristics of stemflow and throughfall in two coniferous forest ecosystems

梳毛机通常由两个锡林及和它们相联的道夫组成。

The card usually consists of two cylinders and their associated doffers .

园丁花了整个上午的时间修剪那两处灌木林。

The gardener spent a complete morning in trimming those two shrubs .

两种防护林蒸发效能和土壤蒸发的对比研究

Studies on Evaporative Effect and Soil Evaporation About Two Kinds of shelterbelts

两种经济林配置模式的水土保持效益研究

The Effect of Water and Soil Conservation of Two Economical Forestry Disposal Modes

紫金山两种主要林型有机物层中丝状真菌多样性

Diversity of Filamentous Fungi in Organic Layers of Two Forests in Zijin Mountain

两种经济林中的穿透雨与茎流特征研究

A Study of the Characteristics of Throughfall and Stemflow in Two Kinds of Economic Forests

汾河两岸两种人工林土壤动物群落多样性研究

Study on the Diversity of Soil Animal Communities in Two Different Artificial woodlands in Fen River Region

草本层的物种丰富度以两个人工林群落为高，但分布不均，且主要以芒萁为主，表明了群落生境的干旱性和瘠薄性。

The species of the two plantation communities on grass layer were rich than that of the natural broadleaved forest .

约翰：这样喔，你知道有句话是这么说的：一鸟在手，胜过两鸟在林。

John : Well , you know what they say : A bird in the hand is worth two in the bush .

两个布鲁克林人，拥有对音乐的爱好和对机器人的痴迷，这样的组合催生了世界上第一个完整的加麦兰民族管弦乐团机器人。

A love for music and a fascination for robotics prompt two Brooklyn men to build the world 's first fully robotic Gamelan Orchestra .

两个试验林样品腐朽处理时间不同，样品密度损失差异显著。

The result showed that the density losses of the samples from the two trials were different along with the different rot time of the heartwood .

在定级的基础上，提出了两种用材林林地估价方法，即基准地价修正法和地价模型法。

On the basis of grading , two evaluating methods of timber woodland are advanced , which are standard land-value modified method and land-value model method .

试验结果表明，黑荆与楠木、黑荆和杉木这两种混交林能提高林分生产力，增加经济效益。

The result showed that it could increase a stand productivity and economic benifit in both the mixed stands of A.mearnsii and Nanmu phoebe , and A.

本文选择适合大英县的退耕还林（草）模式，对该区两种经济林配置模式（以下简称两种模式）进行了水土保持效益的研究。

The subject chosen in this study is the mode of converting farmland to forest ( grass ) and the economic forestry 's water and soil conservational effect of two modes was also evaluated in this paper .

两种退耕还林模式表层土壤速效P和速效K含量均低于农耕地。

The content of soil available P and rapidly available K in subsoil in these two reforested patterns are lower than in farmland .

在福建南平地区，对两片杉木人工林（标记为FFC和XQF）的氮素沉降进行了为期3a（1994～1996）的定位研究。

Nitrogen deposition in Chinese fir ( Cunninghamia lanceolata ) plantations was monitored for three years ( 1994 ~ 1996 ) at two monitoring sites established in Nanping , Fujian .

在福建南平地区，对林龄和密度不同的两片杉木人工林的凋落物和森林降水化学进行了3a（1994～1996）的定位研究。

Chemistry of litter and rain fall was monitored for three years ( 1994 ~ 1996 ) at two sites established in Chinese fir ( Cunninghamia lanceolata ) plantations with different stand ages and densities in Nanping , Fujian .

温带森林生态系统粗死木质物动态研究&以中美两个温带天然林生态系统为例

Dynamic study of coarse woody debris in temperate forest ecosystems

两种林地对林外降雨量的截留能力基本相同；

The interception ability of the two kinds of woodland are basically same .

两种杨树防护林减少土壤蒸发作用的对比研究

The contrast study on reducing soil evaporation with two kinds of Poplar Shelterbelts

两种不同人工林树木个体生长规律的研究

Study on the growth rules of two plantations

沙地两种杨树人工林群落生物量和生产力的初步研究

A preliminary study on the biomass and productivity of artificial community of two species of populars on sandy soil

北美洲的另外两个部落特林吉人和海达人的交换习俗也充分体现出类似性质。

Other two clan Tlingit and Haida custom of intelligent , well-informed person of North America fully embody similar properties too .

实验主要包括两部分内容：林蛙陆生食物链的确定实验；甲基汞与稳定同位素的相关性分析实验。

The experiments included two parts : determination of terrestrial food chain of Rana chensinensis and correlation analysis of methylmercury and stable isotope .

分析了传统的自营造林模式的问题和难点，提出了两种新的林浆纸一体化造林模式。

The problems and difficulties for the traditional self-support forestation model are analyzed and a new model of forestry-pulp-paper integrated forestation is put forward .