图形的扫描转换算法是指()
A. 扫描整个图形的算法
B. 将矢量图转换为点阵图的算法
C. 用连续的量来代替离散的量
D. 将像素集转换成参数图
下列选项中属于投影变换的是()
A. 平行投影
B. 垂直投影
C. 水平投影
D. 透视投影
There was a huge bang as if someone had ___________ a rocket outside.。
A. explode
B. exploded
C. exploding
D. explodes
Bomb disposal experts ____________ the device under controlled conditions.
A. exploded
B. exploding
C. are exploded
D. are exploding