to organize major international events of forestry and its ecological construction and supervise performance of conventions;
承办林业及其生态建设的重要国际活动和履约工作；
2
The ecological optimum performance of a endoreversible quantum Carnot refrigerator is found, and heat transfer law of the refrigerator is discussed.
求出内可逆谐振子量子卡诺制冷机的生态学优化性能，并讨论了制冷机的导热规律。
3
By using numerical solution method, the optimal cycle performance characteristics of the engine at maximum power output, maximum efficiency and maximum ecological function are analyzed and discussed.