自然气候变化的混沌系统单每八十年会出现这样的变缓趋势，即使长期变暖趋势出现。
Natural variation alone in the chaotic climate system would produce such a slowing every eight decades, even with the long-term warming trend seen.
在逆系统方法中的状态观测器理论的基础上，给出了单输出时变系统的规范型状态观测器的设计方法与具体步骤。
This article describes the design method and steps of canonical from state observer of single output nonlinear systems, based on the theory of the state observers in the inverse systems method.
采用变结构控制对单根气动人工肌肉系统进行了实验研究，分析了气动人工肌肉系统的控制特性。
An experimental study of the pneumatic muscle control system was carried out based on Variable Structure control (VSC), and its control characteristics were analyzed.
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