Connecting with practice introduce the leading idea and cost control method of cable TV connect into net. Put forward the design principle and give basic model about connecting.

结合实际工作经验介绍农村有线电视接入网的设计指导思想和成本控制方法，提出农村有线电视接入网的设计原则，给出基本的设计模型。

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The paper deduces tangent stiffness matrix and set up geometrical nonlinear model of construction control calculation of the cable-stayed bridge.

推演了索单元的切线刚度矩阵，建立了斜拉桥施工控制计算的几何非线性模型。

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The utility model has the advantages of simple structure, high reliability, no external connecting control cable, replacement of the traditional connecting box and multi-function, etc.

具有构造简单、性能可靠、无外接控制电缆、可代替传统的接线盒一物多用等优点。

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