1.
Study on the Comprehensive Decision of Yielding Age of Short Rotation Timber Plantation
短周期人工用材林合理采伐年龄综合决策的研究
2.
Study on Regeneration cutting Age of Shelter belt in Nongan County,Jilin Province
吉林省农安县农田防护林更新采伐年龄的研究
3.
Growth model and cutting age of masson pine natural forest in Zhejiang
浙江省马尾松天然林生长模型及采伐年龄的确定
4.
Study on Rational Annual Forest Logging and FuJian Timber Forest Rational Annual Cutting Calculating System Establish;
森林年伐量研究及福建省用材林合理年伐量测算系统的建立
5.
A STUDY ON PRINCIPAL FELLING AGE OF POPLAR PLANTATION ON CHANGJIANG RIVER BEACH
长江滩地杨树人工林主伐年龄的研究
6.
Clearing of Pinus kesiya var.langbianensis Cut-over Area and Logging Residue Utilization
思茅松林采伐迹地清理及其采伐剩余物的利用
7.
Build own organization and contractors, and manage resource from outside for wood supply.
建立采伐机构和合同商，并从外部资源管理木材供应.
8.
A Study on the Rationality of Postponing Retirement Age Based on the Theory of Life Cycle;
基于生命周期理论的延迟退休年龄合理性研究
9.
The final cutting age of different density poplar plantation in beach
滩地不同密度杨树人工林主伐年龄的研究
10.
Article 33 The authorities in charge of examining and issuing cutting licenses shall not issue the cutting licenses in excess of the annual cutting quota.
第三十三条 审核发放采伐许可证的部门，不得超过批准的年采伐限额发放采伐许可证。
11.
The authorities in charge of examining and issuing cutting licenses shall not issue the cutting licenses in excess of the annual cutting quota.
审核发放采伐许可证的部门,不得超过批准的年采伐限额发放采伐许可证
12.
Since the 1980s, China has exercised cutting quotas in natural forests.
从80年代开始对天然林限额采伐。
13.
Reasonable Period of the Fifth Manager in Cutting the Amount of Calculation and Determination of Dongfanghong Forestry Bureau
东方红林业局第五经理期合理年伐量的计算与确定
14.
Clear cutting shall be put under strict controls and the reforestation shall be completed in the same or next year of the cutting;
皆伐应当严格控制,并在采伐的当年或者次年内完成更新造林;
15.
Age Structures of Scientific Collaboration in Chinese Control Theory;
我国控制理论领域科学合作的年龄结构
16.
European Federation of the Mining Timber Associations
欧洲采伐木材协会联合会
17.
Kids from parturition to 180 days of age were divided into ten age groups, each consisted of three male and three female kids.
采用初生至180日龄的羔羊,分十个年龄组.
18.
The annual timber production plan shall not exceed the approved annual cutting quota.
年度木材生产计划不得超过批准的年采伐限额。