当前学科:工程测量学
  • 题目: 单选
    M点的高程为43.251m,测得后视读数为a=1.000m,前视读数为b=2.283m,则视线高Hi和待测点B的高程分别为()m

      A . 45.534,43.251
      B . 40.968,38.685
      C . 44.251,41.968
      D . 42.251,39.968

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