If the number of lines of code for the SQL, XML-RPC listener, and client are counted, this middleware system was weighs in under 600 lines of code.

如果把 SQL、XML-RPC 监听器和客户端的代码行数都计算在内，估计这个中间件系统的代码会低于 600 行。

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For a large number of buttons, or nodes, as the number of connecting lines or edges increases, the system rather suddenly jumps from disconnected small clusters to a giant connected cluster.

对于大量的钮扣，或节点，随着连接线段或边缘线数量的增加，系统突然从离散的断开的小群跳转到一个巨大的连接群。

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Front-end device: a transmission control unit that links a number of communication lines to a computer system.

前端设备：一种把一些通信线路与计算机系统联接起来的传输控制单元。

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So far, new lines have been laid to serve 100, 000 households, about a tenth of the number the microwave system can currently reach.

CNN: BUSINESS