简述VCD机中MPEG-1标准对一帧图像的分割方法。
参考答案:
首先将一帧图像在垂直方向切成片→一片中再切成宏块→宏块再切成像块→像块中分割为单位像素(像点)。
机动车辆停放时,应关闭电门,(),拉紧手制动,锁好车门。
Project sponsors have the GREATEST influence on the scope, quality, time, and cost of the project during the ______ .
A.concept phase
B.development phase
C.execution phase
D.close-down phase