名词
中文翻译：调制解调器同义词
同义词：
['modem', 'modem card', 'modem adapter']
例句：
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1. The new WiFi router has a built-in modem for easy connection to the internet.
新的WiFi路由器内置了调制解调器，便于连接到互联网。
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2. The modem was replaced after it failed during the upgrade process.
在升级过程中，调制解调器出现故障后被更换。
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3. The modem is responsible for converting digital signals into analog ones for transmission over the network.
调制解调器负责将数字信号转换为模拟信号，以便通过网络传输。