The individual using rate is low while the species using rate is high in agroforestry systems.
混农林系统中个体利用率较小而物种利用率相对较大。
The characteristics of agroforestry systems microclimate are: (1) Component values of heat balance are positive in day time but negative at night.
农林系统的小气候特征是：(1)热量平衡的各分量白天为正值，夜间为负值。
Needed action could include rehabilitation of damaged forests, reforestation, and replanting of trees in home gardens and other agroforestry systems.
需要开展的活动包括恢复受损森林、重新造林和在庭院植树以及其他农林兼作系统。
The results indicate that the region has wide diversity of models of agroforestry systems, dominant among them are the ones using cash crops as their main components.
结果表明，该地区现存混农林系统的模式极为丰富，并以经济植物为主体的模式占较大优势。
According to the characteristics of agroforestry systems in hilly regions in the Sichuan Basin, a theoretic analysis is given to the distribution features of diffue sky radiation in these systems.
根据四川盆地浅丘区农林复合系统特点，从理论上分析了该系统内天空散射辐射令布特征。
According to the characteristics of agroforestry systems in hilly regions in the Sichuan Basin, a theoretic analysis is given to the distribution features of diffue sky radiation in these systems.
根据四川盆地浅丘区农林复合系统特点，从理论上分析了该系统内天空散射辐射令布特征。
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