I-O analysis method is to study the I-O relationships between various parts of the economic system by compiling the I-O ......

以延安地区黄土窑洞为模型，以当地的室外年温度波为外扰，用反应系数法求解和分析了窑洞室内的年温度变化；并与相同空间结构，相同外扰作......