In this paper, the principles and methods of target recognition are discussed mainly, using infrared optical technical e反导系统对于来袭弹道导弹弹道中段及再入段的识别可以用微波雷达技术，也可用光学技术。
Impacts of CO2 Concentration and Radiant Intensity on C. intermedia Photosynthetic Rate Under Different Soil Moisture wi不同土壤湿度下柠条光合速率对CO2浓度和辐射强度响应的模拟研究