The key to VSC for multi-input nonlinear system is the design of a switch function which should ensure the stabilization of sliding mode.

多输入非线性系统变结构控制器设计的关键之一是寻求切换函数使得滑动模态渐近稳定。

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The paper firstly introduces the conception and function model of NGN, and describes the key technology of NGN, Soft Switch.

本文介绍了下一代网络的概念和功能模型，以及其核心技术——软交换技术；

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In the papar, it changes its"buckle"structurt on the basis of common key switch, achieves automatic locking function and does not increase the cost.

多位组合式按键开关被广泛应用于各种家用电器，本课题在普通按键开关的基础上，改变其“扣板”的结构，实现了自动锁定功能，且不需增加成本。

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For example, its Windows 8 Start key provides a quick and easy way to get back to your Start Screen, while the App Switching function key allows you to quickly switch among your open apps.

ENGADGET: Logitech's K810 keyboard pairs with up to three devices, has a button for switching apps in Windows 8