The system paid more attention to the biological and ecologicalanalysis for alien organism, and improved the advantage and dependability of risk assessment by using computer model.
本系统注重对外来有害生物生物学和生态学特性的分析，利用计算机模型，提高了风险评估的便利性和可靠性。
2
Elaborate environment characteristic of chernozem soil area, analysis feasibility of planting licorice with ecological benefit? zoology benefit? society benefit and production technology.
阐述了黑钙土区的环境特点，从经济效益、生态效益、社会效益及生产技术等方面分析了种植甘草的可行性。
3
Part four, the use of the concept of ecological monitoring of classroom teaching systems analysis, classroom instruction on the monitoring and control system structure, function and features.