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【判断题】

用多边形套索依次点击需要抠出的多边形图像的顶点,最后回到第一个点进行闭合,即可得到图像的选区

A.
正确
B.
错误
举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【多选题】基于多边形数据的栅格化方法包括()

A.
内点填充法
B.
边界代数法
C.
检验夹角之和
D.
铅垂线法

【单选题】Photoshop中在套索工具中不属于套索类型的是 ( )。

A.
矩形套索工具
B.
多边形套索工具
C.
磁性套索工具
D.
套索工具

【单选题】Passage Two The era of the cowboy really began after the Civil War. During this decisive war the Texas cattle had roamed undisturbed in the wild, breeding freely on the plains and greatl...

A.
They have easier life in winter than in spring.
B.
They use a rope to handle the horse.
C.
They spend most of their daily time on the horse.
D.
Most of them know more than three languages.

【单选题】多边形内角和计算公式为

A.
(n+2)180°
B.
(n-2)90°
C.
(n-1)180°
D.
(n-2)180°