1.
Comparison of Spatial Structure for Natural and Semi-natural Mixed Forests in Jingouling Forestry Farm,Jilin Province of China
金沟岭天然和半天然混交林林分空间结构比较
2.
Study on Dynamics of Structure in Artificial and Natural Mixed Forests in Changbai Mountains;
长白山人工天然混交林结构动态研究
3.
Individual Tree Growth Models of Natural Mixed Forest in Northern China;
东北林区天然混交林单木生长模型的研究
4.
Individual Tree Growth Models of Natural Mixed Forest in Changbai Mountains;
长白山地区天然混交林单木生长模型的研究
5.
Natural Regeneration of Korean Pine Mixed Forests in Dong Zhelenghe Forest Station,Xiaoxing'an Mountains
东折棱河森林经营所红松混交林的天然更新
6.
A Study on the Ecological Effects and Operation Technology of Slective Cutting of Natural Mixed Stand of Conifer and Broad-leaved Trees;
天然针阔混交林择伐生态影响及作业技术研究
7.
Study on the Characters of Structure and Regeneration in Natural Pinus Tabulaeformis Stand of Huanglong Mountain Forest Region;
黄龙山林区天然油松针阔混交林结构与更新特征的研究
8.
Influence of the Selective Intensity on Spatial Structure of Mid-subtropical Natural Mixed Stand of Conifer and Broad-leaved Trees
择伐强度对中亚热带天然针阔混交林林分空间结构的影响
9.
Dynamic Variation of Soil Respiration after Selective Cutting in the Coniferous and Deciduous Broadleaved Mixed Forest in Xiaoxing'anling Mountain
小兴安岭天然针阔混交林择伐后土壤呼吸动态变化
10.
Mingling of Evergreen Broad-Leaved Forests in Tianmu Mountain Based on Voronoi Diagram
基于Voronoi图的天目山常绿阔叶林混交度
11.
A forest or wooded area in its natural state.
天然林，原始林天然状态的树林或林区
12.
Study of growth and resistance to damage caused by Anoplophora glabripennis in mixed forest of Ailanthus altissima and Populus bolleana
新疆杨和臭椿混交林的生长及抗天牛虫害研究
13.
Korean Pine Needles Mixed Broad Spatial Pattern Distribution and the Importance of Protection--A Case Study of Fenglin Nature Reserve of Heilongjiang Province
红松针阔混交林空间格局分布及保护重要性——以黑龙江丰林自然林保护区为例
14.
Study on Quantity Characteristic of Main Species in Natural Chinese Fir and Broacr Leaf Mixed Community in Longqi Mountain
龙栖山天然杉阔混交群落主要种群数量特征研究
15.
Bahrain itself recently signed a deal to import Iranian natural gas.
巴林最近就与伊朗做了一桩交易，从伊朗进口天然气。
16.
Research of Spatial Distribution Pattern for The Schrenk Spruce Forest;
天山云杉天然林林分空间格局的研究
17.
Natural Forest Protection Program.
天然林资源保护工程。
18.
The Research of Natural Forest Classification and Management Technology of Fangzheng Forestry Bureau;
方正林业局天然林分类经营技术研究