单项选择题
A.1.5° B.3° C.6° D.9°
A.±0.4mm B.±0.3mm C.±0.5mm D.±0.7mm
如图,已知A(100m,100m)、B(200m,200m),方位角αo=45°。测量A点到P的水平距离D=38m,观测水平角β=52°。界址点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)
A.重要地物 B.等高线 C.土地权属界线 D.河流
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