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【多选题】
为了提高系统容量经常会采用复用的方式,下列对于复用系统说法正确的是A.
时分复用系统是目前使用最多的一种
B.
波分复用系统是指将不同波长的光信号复用到一根光纤里面
C.
波分系统中也会采用空分复用的方式
D.
波分复用与频分复用其本质是相同的
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【简答题】If Western people think they are healthy eaters, they will have to think again.
【单选题】In western culture, people take triangle as geometrically the perfect figure because _______.
A.
people like the shape of a triangle
B.
people have great respect for God
C.
the number 3 has a mystical and comforting significance for Western minds
D.
people have three meals a day.
【简答题】A growing number of consumers, especially young people , are a dopting more Western habits when it comes to spending money—by favoring credit cards over savings. A survey of 11,500 people in 18 cities...
【简答题】写两个函数,分别求两个整数的最大公约数和最小公倍数,用主函数调用两个函数,并输出结果,两个整数由键盘输入。
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