It is shown that two Lurie control systems which are not absolutestable can be composed of a absolutestable large-scale Lurie control systems via interconnections or harmonic controllers.
研究结果表明：两个非对绝对稳定的系统可以通过关联或协调控制来实现关联大系统的绝对稳定性。
2
Security is not a zero-sum game, and there is no isolated or absolute security. No country can be safe and stable in the absence of world and regional peace and stability.
安全不是孤立的、零和的、绝对的，没有世界和地区和平稳定，就没有一国安全稳定。
3
This paper studies how long the error will be stable in a small range on GPS static absolute positioning.