【单选题】【消耗次数:1】
我国电视制式规定水平扫描行数为( )。
25
30
525
625
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相关题目
【单选题】 我国电视标准规定,每场扫描线为-
①  625
②  312.5
③  25
④  50
【判断题】 我国使用的电视制式为NTSC制式。
①  正确
②  错误
【判断题】 我国电视采用隔行扫描方式的场频为25。
①  正确
②  错误
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③  SECAM
④  NTSC
【单选题】 我国电视标准规定,每帧画面扫描多少场
①  1
②  2
③  25
④  50
【单选题】 动画和视频都是利用快速变换帧的内容而达到运动效果的。帧率为30fps的电视制式是( ) 制式。
①  PAL
②  SECAM
③  FLASH
④  NTSC
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①  A.PAL
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【单选题】 PAL制式是我国采用的彩色电视广播标准。它使用的帧频率为的:
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②  20帧/秒
③  24帧/秒
④  25帧/秒
【多选题】 常见的电视制式有( )。
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②  NTSC
③  DV
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【单选题】 我国普遍采用的视频制式为()
①  A、PAL
②  B、NTSC
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【单选题】 When he came back after an absence of 20 years, he found his hometown completely ____. ?
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④  changed ?
【单选题】 We have studied English for only one year, ____ we can perform English short play already.?
①  for ?
②  and ?
③  yet ?
④  or?
【单选题】 With the old man ____ the way, we had no trouble in finding that mysterious cave.
①  leading
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【单选题】 Lily: Hello, John! What was the weather like yesterday?John: ____
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②  You don’t like cold weather, do you?
③  That was a favorable weather.
④  Nice and bright, not too cold.
【单选题】 10. Far away around the corner I could see a small female ____advancing towards us.
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