测量工作要遵循的基本组织原则是()。
A、布局上要从整体到局部
B、程序上要先碎部后控制
C、精度上要从高级到低级
D、精度上要从低级到高级
参考答案:A, C
根据下表填写天气状况。
1. It's on Sunday.
2. It's on Monday.
3. It's on Saturday.
4. It's on Tuesday.
5. It's on Friday.
6. It's and on Wednesday.
7. It's on Thursday.
图1-2-9表示的是()。
A.主动控制
B.前馈控制
C.预防控制
D.被动控制