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1)  sub-tropical depression
次生低压
2)  PRGMR. Primary
一次,低压
3)  low-efficiency second growth
次生低效林
1.
In the light of the current situation that the efficiency of the natural second growth is lower,and through the tests,this paper puts forward some paths and methods for transforming the low-efficiency second growth.
针对目前天然次生低效林功能较低的情况,通过试验,提出了对天然次生低效林进行改造利用的途径和方法。
4)  Edge effect belt
低质次生林
5)  secondary ground pressure
次生地压
6)  inferior secondary forest
低质低效次生林
1.
The paper points out the main developing directions of inferior secondary forest transformation by means of defining the concept of inferior secondary forest,and analysing the importance of secondary forest transformation, and summarizing the conditions of secondary forest transformation.
通过定义低质低效次生林的概念,分析次生林生态系统经营的意义和必要性,综述次生林改造的现状,指出了低质低效次生林改造的主要发展方向。
补充资料:次生构造
      见构造。
  

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