![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[主观题]
用钢尺往返丈量了一段距离,其平均值为184.260m.要求量距的相对误差达到1:5000,问往返丈量的距离
之差不能超过多少?
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.1/25000
B.1/25
C.1/2500
D.1/250
用钢尺丈量一条直线,往测丈量的长度为217.30m,返测为217.38m,今规定其相对误差不应大于1/2000,试问:
(1)此测量成果是否满足精度要求?
(2)按此规定,若丈量100m,往返丈量最大可允许相差多少毫米?
A.相对误差
B.中误差
C.往返误差
D.允许误差
A.0.02/100
B.0.002
C.1/5000
D.1/10000
A.1/5
B.1/50
C.1/500
D.1/5000