单项选择题
The native resolution for 1080i is（）
A.1920×1280
B.1920×1080
C.1280×1080
D.1280×720
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相关考题
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单项选择题
Eachtimethedistancefromthespeakerisdoubled，volumedecreasesby（）.
A.3dB
B.6dB
C.12dB
D.24dB -
单项选择题
AccordingtoOhm’sLaw，whichofthefollowingiscorrect？（）
A.As voltage increases， resistance decreases
B.As amperage decreases， resistance decreases
C.As resistance decreases， amperage increases
D.As resistance increases， voltage increases -
单项选择题
Whenconfiguringsurroundsoundsystems，speakerdelayisusedtocompensateforspeaker（）.
A.distance
B.power
C.size
D.efficiency
