名词
中文翻译：四频拨号同义词
同义词：
['four-tone dialling', 'four-tone digitling', 'four-tone dialing']
例句：
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1. This new phone model supports four-frequency dialling, which allows users to connect to different networks with ease.
这款新手机支持四频拨号，让用户轻松连接不同的网络。
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2. The engineers at the research institute are working on a project that involves four-frequency dialling technology.
该研究所的工程师们正在研究一个涉及四频拨号技术的项目。
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3. In order to improve network coverage, the company is exploring the use of four-frequency diallingin its next generation mobile network.
为了提高网络覆盖范围，该公司正在探索在其下一代移动网络中使用四频拨号技术。