题目内容

作用在平衡物体上的力系一定是平衡力系。（）

A. 对
B. 错

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CCDs consume much more power than an equivalent CMOS sensor.

A. 对
B. 错

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Audio systems with more than one channel are said to be in stereo.

A. 对
B. 错

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Which of the following statements about television video signals is not true?

A. Standard television uses an interlaced format to reduce flicker.
B. NTSC、PAL and SECAM are the commonly used standards.
Color television have three analog, one for each of the three colors: yellow, green and blue.
D. The television standard of our country is PAL

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术语翻译：1） Resolution2）Base station3) Quality-of-service4) Video conferencing5) Look-up table6) Object recognition7) Automatic focus8) Even field

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作用在平衡物体上的力系一定是平衡力系。 （）

A. 对 B. 错

CCDs consume much more power than an equivalent CMOS sensor.

Audio systems with more than one channel are said to be in stereo.

Which of the following statements about television video signals is not true?

术语翻译：1） Resolution2）Base station3) Quality-of-service4) Video conferencing5) Look-up table6) Object recognition7) Automatic focus8) Even field

作用在平衡物体上的力系一定是平衡力系。（）

A. 对
B. 错