【单选题】听力原文:W: Welcome, Mr. Johnson. Take a seat, please. Our manager will be back soon. M: Thank you. Urn, it's rather warm these days, isn't it? W: Yes. The weather is quite unusual at this time of year. M...
C.
Secretary and visitor.
【判断题】The first telephone line was built in 1877.( )
【单选题】Please there will be no stand booking available after 25th october.
【单选题】下列关于数字视频获取设备的叙述中,错误的是( ) .
A.
视频采集卡除了可以对模拟视频信号数字化以外,还可以对视频图像进行颜色空间的转换
B.
数字摄像头分辨率可达到640*480,速度在每秒30帧左右
D.
数字摄像头通过光学镜头和CCD (或CMOS)器件采集图像。并形成数字图像
【单选题】听力原文:W: Welcome, Mr. Johnson. Take a seat, please. Our manager will be back soon. M: Thank you. Urn, it's rather warm these days, isn't it? W: Yes. The weather is quite unusual at this time of year. M...
C.
Secretary and visitor.
【单选题】下列关于数字视频获取设备的叙述中,错误的是()
A.
视频采集卡除了可以对模拟视频信号数字化以外,还可以对视频图像进行颜色空间的转换
B.
数字摄像头分辨率可达到640*480,速度在每秒30帧左右
D.
数字摄像头通过光学镜头和CCD(CMOS)器件采集图像,并形成数字图像
【单选题】下列关于数字视频获取设备的叙述中,错误的是()
A.
视频采集卡除了可以对模拟视频信号数字化以外,还可以对视频图像进行颜色空间的转换
B.
数字摄像头分辨率可达640*480,速度在每秒30帧左右
D.
.数字摄像头通过光学镜头和CCD(或CMOS)器件采集图像,并形成数字图像