[要求] 概括准确,分析合理,语言简练,不超过300字。
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What have mobile phones become according to research about their users?
What feelings does the writer suggest in the first paragraph about our attitudes to mobile
估价师接受估价业务后,首先必须决定估价的基本项目,主要包括的内容?
路由器进行【 】间的互联,提供各种子网间网络层的接口。提供子网间的路由选择,并对网络资源进行动态控制。