YUV
参考答案:
这是彩色电视在PAL制式中所采用的彩色空间。Y是亮度信号,U和V是彩色色差信号:U=B-YV=R-Y,其基本特征是将亮度信号和色度信号分开表示。
Mary is __________ a translation of a French novel.[ ]
A. engaged with
B. busy in
C. absorbed by
D. occupied with