单项选择题
A.客观性 B.精确性 C.现势性 D.有效性
A.±0.4 B.±0.3 C.±0.5 D.±0.7
A.十 B.九 C.八 D.七
如图,已知A(100m,100m)、B(200m,200m),方位角α0=45°。测量A点到P的水平距离D=38m,观测水平角β=52°。界址点P的坐标的计算结果是()。
A.(123.40m,129.94m) B.(95.37m,137.72m) C.(126.87m,126.87m) D.(195.37m,237.72m)
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