形容词
中文翻译：Unknown
同义词：
['wideband', 'broadband', 'wideband spectrum']
例句：
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1.The broad-band antenna can receive signals from a wide range of frequencies.
宽带天线可以接收来自广泛频率的信号。
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2.The broad-band network provides high-speed internet access to millions of users worldwide.
宽带网络为全球数百万用户提供高速互联网接入。
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3.In the broad-band era, data transmission speeds have greatly improved.
在宽带时代，数据传输速度大大提高。