现行《城市基础地理信息系统技术规范》规定:城市DOM数据几何精度要求相邻DOM影像镶嵌处的接边限差不应大于______个像元。
A.1 B.2 C.3 D.4
参考答案:B
—Didn’t you have a good time at the party?
—Of course I did. As a matter of fact, I had such fun that time seemed to so quickly.
A.go by
B.go away
C.go out
D.go over
波纹管压差计不包含下列哪个部件()
A、U形管
B、差动线圈
C、波纹管内腔
D、波纹管外腔