3) Productive potential of cultivated land
耕地生产潜能
4) productivity of cultivated land
耕地生产能力
1.
This paper analyzes the demand of food in the next 30 years, the trend of non-agricultural utilization of cultivated land, actuality of cultivated land quality, portent of productivity of cultivated land in China and the quantity of food export in world market.
因此保障未来三十年我国粮食安全的根本途径是提高耕地质量和增强耕地生产能力。
6) wetland function
湿地功能
1.
Strategies for ecosystem management of the secondary wetlands in the Dongting Lake Region are proposed,based on analysis of the functional change of wetlands,characters of wetland functions and t.
以调控湿地生态功能为途径,在分析双退垸次生湿地功能动态变化、现阶段功能特点及管理现状基础上,提出了洞庭湖区双退垸湿地生态系统可持续管理方案,并针对现阶段存在的管理问题提出具体对策。
2.
In order to solve the issue,it becomes more and more important to carry on an investigation in quantitative approach to evaluate and zone the wetland function.
协调好湿地保护与开发的矛盾,是当前湿地科学研究的重点和难点,为解决这一问题,从量化角度出发的湿地功能评价与区划方法研究也日显重要。
补充资料：人脑的功能分化左右大脑半球的功能特化
李瑞端绘
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条