rational exploitation

There are huge significances for rational exploitation of the biotic population in ecosystem, some extensive and intensive studies are done by many scholars.

生态系统中，生物种群的合理开发意义重大，许多学者进行了广泛而深入的研究。

Its rational exploitation and utilization are given more and more attention of scholars. And they have achieved certain results. A lot of biotic environment can be seen as food-chain systems in reality.

种群资源作为一种再生性资源，它的合理开发与利用得到越来越多的学者关注，并取得了一定的成果，而且在现实世界中，有许多生物环境可近似看成是食物链模型。

On the protection and rational exploitation of Geological vestige resources

地质遗迹的保护和合理开发

A Discussion on the Sustainable Development of the Rational Exploitation of Groundwater Resources in Cangzhou City

沧州市地下水资源合理开发可持续发展战略探讨

Rational exploitation of grassland resources in the Northern Xizang Plateau

藏北高原草地资源合理利用

Study on Comprehensive Control and Rational Exploitation of Schist Sand in Jiangshan

江山市片石砂土综合治理与合理开发研究报告

Resources protection and rational exploitation are two important aspects of the healthy growth of China's tourism.

保持中国旅游业健康发展的两个重要方面就是资源保护和合理开发.

It will provide a scientific basis for the rational exploitation and utilization of the geothermal field.

在此基础上提出该地下热水系统的成因模式,为地热田的进一步合理开发利用提供了依据.

Based on the characteristics of the mountain land in Southeast Guizhou, this paper looks at the guiding ideologies of the development, the problems at the moment and the ways to the rational exploitation and use of hilly lands.

本文从分析黔东南州山地特点入手，探讨了山地开发的指导思想，存在的问题及合理开发利用的主要途径和措施。