已知边长(来学网),方位角,则分别为:
  • A.
    (来学网)+31.401m,+66.420m
  • B.
    (来学网)+31.401m,-66.420m
  • C.
    (来学网)-31.401m,+66.420m
  • D.
    (来学网)-31.401m,-66.420m
正确答案:
C