设A点高程为H,则M点高程=H-0.32
B点高程=H-0.46
C点高程=H-0.46-0.05=H-0.51
D点高程=H-0.51+0.27=H-0.24
E点高程=H-0.24+0.13=H-0.11
N点高程=H-0.11-0.55=H-0.66
所以M点比N点高0.66-0.32=0.34
设A点高程为H,则M点高程=H-0.32
B点高程=H-0.46
C点高程=H-0.46-0.05=H-0.51
D点高程=H-0.51+0.27=H-0.24
E点高程=H-0.24+0.13=H-0.11
N点高程=H-0.11-0.55=H-0.66
所以M点比N点高0.66-0.32=0.34