问题
填空题
dBi是用来表示()。
答案
参考答案:天线增益的
dBi是用来表示()。
参考答案:天线增益的
从方框中选择恰当的句子,补全对话。(每题1分,共5分) A: Do you like living in the city or the countryside? B: 小题1: A: But I think the countryside is much better than the city for living. B: 小题2: A: Because there is terrible traffic and too much noise in the city. B: 小题3: I think the city is a wonderful place to live in, because we can go to parties, concerts and operas every day if we like. 小题4: A: 小题5: But I like living in a quiet and safe place.
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