单项选择题
A.0.1;0.01 B.0.1;0.02 C.0.2;0.01 D.0.2;0.02
A.720P B.1080P C.1080I D.无要求
A.1500-2000m2 B.1500-1800m2 C.1800-2000m2 D.1600-2000m2