使用Dataframe
div方法并为您要广播的多索引传递matchkey：
从文档中
div：
level : int or name Broadcast across a level, matching Index values on the passed MultiIndex levelIn [39]: concentration.div(weight, level='Land Use')Out[39]: 1E 1N1S2Land Use ParameterAirfield BOD5 (mg/l) 0.818004 5.198238 3.668831 2.697970 Ortho P (mg/l) 0.003914 0.044053 0.016234 0.005076 TSS (mg/l) 3.469667 505.286344 13.993506 0.464467 Zn (mg/l) 0.001957 0.044053 0.000804 0.002538Commercial BOD5 (mg/l) 72.000000 0.245892 NaN 2.957746 Cu (mg/l) 0.087400 0.000431 NaN 0.003662 O&G (mg/l) 77.000000 0.745305 NaN 2.469484Open Space TSS (mg/l) 463.750000 602.000000 6045.000000 367.500000 Zn (mg/l) 15.875000 1.380000 66.000000 17.500000Parking Lot BOD5 (mg/l) 2.800000 0.129961 10.329365 18.654971 O&G (mg/l) 3.090909 0.289883 5.345238 10.994152Rooftops BOD5 (mg/l) 1.666667 35.714286 661.176471 103.333333
