1) emphases ecological welfare forest
重点生态公益林
1.
This paper studies the ecology characteristics,forest type and management measures of natural secondary forest in emphases ecological welfare forest according to the modern forestry theory,sustainable development and the forest multi-function.
根据现代林业理论、可持续发展理论及社会对森林的生态、经济的不同需要以及森林多功能主导作用的不同,对重点生态公益林中的天然次生林的生态特征、林分类型及经营措施进行了研究。
2) key public welfare forest
重点公益林
1.
The key public welfare forest in Guangxi was monitored by combing ground monitoring with investigation monitoring.
以广西重点公益林为监测对象,采用地面监测法与调查监测法相结合,定期获取水土保持现状数据,构建广西重点公益林水土保持监测体系,掌握重点公益林水土流失现状及动态变化,对重点公益林水土保持效能进行分类监测和系统评价。
3) prior non-commercial forest
重点公益林
1.
The area of provincial prior non-commercial forest of Lancang county defined is 25600 hm~2,while the area of state prior non-commercial forest which was brought into the first batch of central forest ecological benefit compensatory scope was 12100 hm~2.
澜沧县区划确定的省级重点公益林面积2。
2.
In order to lighten the labor intensity of technical personnel in forestry and to ensure the correct statistic data acquisition,the EXCEL software is adopted to set up a table of subcompartment factors to achieve the management,boundary definition and statistics of prior non-commercial forest.
为了减轻林业技术人员的劳动强度,保证统计资料正确无误,采用EXCEL办公软件,通过建立“重点公益林小班因子一览表”完成重点公益林的区划、界定及统计工作。
4) ecological forest
生态公益林
1.
Dynamical monitoring on the ecological forest stand volume in Minjiang watershed based on RS technology;
基于RS技术闽江流域生态公益林林分蓄积量的动态监测
2.
Establishment of Ecological Forest Woodland Possession Information System;
生态公益林地籍信息系统研建
5) non-commercial forest
生态公益林
1.
Analysis of management and protection patterns of non-commercial forest in Chunan County and its related questions;
浙江省淳安县生态公益林管护模式分析及相关问题
2.
Research on Environmental Benefits for Non-commercial Forest of Chun an County;
淳安县生态公益林的环境效益研究
3.
A Study on Management and Protection Patterns of Non-commercial Forest in Beijing Mountainous Area;
北京山区生态公益林管护模式研究
6) ecological public welfare forest
生态公益林
1.
Aleurites montana,the renewal and repairing wood species in ecological public welfare forests;
生态公益林更新和补植树种——千年桐
2.
Resources characteristics and construction trend for ecological public welfare forests in Zhejiang Province;
浙江省生态公益林资源特点及建设方向
3.
Study on water-holding capacity of ecological public welfare forest of different plantation;
人工生态公益林不同类型林分的持水功能比较
补充资料：重点
重点
multiple point
重点【m咖口e脚初t;即aT。“To，a]，平面代数曲线F(义，y)=0的 一个奇点，在这个点处，直至”阶偏导数都等于零，且至少一个n十l阶偏导数不等于零.例如，如果F(二。，夕。)=0，Fx’(x。，夕。)二o，rx’(x。，夕。)=0而F二立(x。，夕。)，弓(‘。，夕。)，尽(x。，夕。)中有一个不等于零，则重点M(x。，y。)称为二孟点(doubk point);如果一阶和二阶偏导数在M(义。，夕。)都等于零，但至少一个三阶偏导数不等于零，则重点称为三重点(吻卜point)，等等.AE.物a。。。撰
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参考词条