题目内容
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设有-68～860MHz带宽的有线电视网，如果都用来进行邻频道数字电视传输(MPEG-2MP@ML压缩后每套节目的图像数码率为8.448Mb/s)，问采用64QAM调制可传多少套节目？
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更多“设有-68～860MHz带宽的有线电视网，如果都用来进行邻频…”相关的问题
第1题
__(和男士的饮食相比)，women’s diet generally needs to include more calcium and iion．
第3题
Which of the following statements is NOT true？
[A] Today you can get calcium without eating any high-fat or high-calorie food by choosing skim milk or low-fat yogurt.
[B] Calcium plays an important role in the movement of protein and nutrients inside cells.
[C] You can rely on pills instead of a calcium-rich diet to take enough calcium.
[D] If you want to absorb calcium, you should expose yourself to the sun's rays.
第4题
Which of the following statements is NOT true？
A．Today you can get calcium without eating any high-fat or high-calorie foods by choosing skim milk or low-fat yogurt.
B．Calcium plays an important role in the movement of protein and nutrients inside cells.
C．You can rely on pills instead of a calcium-rich diet to take enough calcium.
D．If you want to absorb calcium, you should expose yourself to the sun's rays.
第5题
Which of the following statements is NOT true？
A．Today you can get calcium without eating any high-fat or high-calorie foods by choosing skim mill or low-fat yogurt.
B．Calcium plays an important role in the movement of protein and nutrients inside cells.
C．You can rely on pills instead of a calcium-rich diet to take enough calcium.
D．If you want to absorb calcium, you should expose yourself to the sun's rays.
第6题
Which of the following statements is NOT true？______
A．Today you can get calcium without eating any high-fat or high-calorie foods by choosing skim milk or low-fat yogurt.
B．Calcium plays an important role in the movement of protein and nutrients inside cells.
C．You can rely on pills instead of a calcium-rich diet to take enough calcium.
D．If you want to absorb calcium, you should expose yourself to the sun’s rays.
第7题
Which of the following statements is NOT true？
A．Today you can get calcium without eating any high-fat or high-calorie foods by choosing skim milk or low-fat yogurt.
B．Calcium plays an important role in the movement of protein and nutrients inside cells.
C．You can rely on pills instead of a calcium-rich diet to take enough calcium.
D．If you want to absorb calcium, you should expose yourself to the sun's rays.
第8题
If you want to go on a diet, you can eat cheese because ______ .
A．it contains the highest amount of fat, cholesterol, and calories
B．it holds high protein and calcium content
C．it can be mixed with skim milk
D．growing bodies require higher amounts of protein
第9题
Theword"stoned"(paragraph3)mostprobablymeans [A]stiffened. [B]constructed. [C]criticized.
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