A.測圖控制網(wǎng) B.施工控制網(wǎng) C.變形監(jiān)測網(wǎng) D.安裝控制網(wǎng)
A.1:1000 B.1:500 C.1:2000 D.1:5000
A.1/10--1/20 B.1/3—1/6 C.1/5--1/10 D.1/2--1/5