- Abt system The characteristics of wetlands in Ningxia Plain were revised, the experience and lessons of protecting and utilize of wetlands in Ningxia Plain were assessed,some countermeasures for planning and management were put forward .
本文在分析宁夏平原湿地特点的基础上 ,总结了古代和当代保护、利用湿地的若干经验教训 ,为今后湿地的有效保护、合理利用指出发展方向。
- I suppose you also have a caste system in your society.
- The right to dissent is part of our political system.
- Do you know how to log in to the system?
- Public opinion was against the old feudal system.
- The system works on the principle that heat rises.