1:1000、1︰2000、1︰5000地形图的比例尺精度分别为()。
A: 1m,2m,5m
B: 0.001m,0.002m,0.005m
C: 0.01m,0.02m,0.05m
D: 0.1m,0.2m,0.5m
A: 1m,2m,5m
B: 0.001m,0.002m,0.005m
C: 0.01m,0.02m,0.05m
D: 0.1m,0.2m,0.5m
举一反三
- 1:1000的比例尺的精度为( )。(2.0) A: 0.001 m B: 0.01 m C: 0.1m D: 1m
- 当前精密加工所达到的精度是()。 A: 10~1μm B: 1~0.1μm C: 0.1~0.01μm D: 0.01~0.001μm
- 精密加工的加工精度可以达到() A: 0.01~0.1μm B: 0.01~1μm C: 0.1~1μm D: 0.1~2μm
- 纳米乳粒径大小应在 A: 1~100μm B: 0.1~0.5μm C: 0.01~0.10 μm D: 1~100 nm E: 0.001~0.01μm
- 1:2000地形图的比例尺精度是( )m。 A: 0.05 B: 0.1 C: 0.2 D: 0.5