PAL解码器中,梳状滤波器输出的信号为R—Y和B—Y。
参考答案:错
The church has______ quite a few changes over the years.
A.watched
B.witnessed
C.viewed
D.observed
不属于资产评估的工作原则的是()。
A.独立性原则
B.客观性原则
C.专业性原则
D.预期原则