A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">视线高程</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 14px">+</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">后视读数</span>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">视线高程</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 14px">+</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">后视点高程</span>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">视线高程</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 14px">+</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">前视点高程</span>
D、<span style="TEXT-DECORATION: none"><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px; TEXT-DECORATION: none">视线高程</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 14px; TEXT-DECORATION: none">-</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px; TEXT-DECORATION: none">前视读数</span></span>
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