平均水位:(45.46+37.97+23.62+17.75+11.92+30.15)/6=27.81M
宜昌:45.46-27.81=17.65M
沙市:37.97-27.81=10.16M
汉口:23.62-27.81=-4.19M
九江:17.75-27.81=-10.06M
大通:11.92-27.81=-15.89M
城陵矶:30.15-27.81=2.34M
不知是否正确?
平均水位:(45.46+37.97+23.62+17.75+11.92+30.15)/6=27.81M
宜昌:45.46-27.81=17.65M
沙市:37.97-27.81=10.16M
汉口:23.62-27.81=-4.19M
九江:17.75-27.81=-10.06M
大通:11.92-27.81=-15.89M
城陵矶:30.15-27.81=2.34M
不知是否正确?