名词中文翻译
中文翻译：环形主干
同义词：
['ring', 'mainframe']
例句：
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1.The ring main is the central part of the network that connects all the devices.
环形主干是连接所有设备的网络中心部分。
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2. The mainframe is the central computer in a computer network.
主干是计算机网络中的核心计算机。
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3. The ring main is responsible for transmitting data between the devices on the network.
环形主干负责在网络设备之间传输数据。