The main purpose of this paper is to give a united treatment of the structure of differential geometry of various fiber bundles.
本文给出各种纤维丛微分几何结构的一个统一处理，首先引进了一个新定义；
Design of these controllers combines the differential geometry theory with the variable structure control theory.
这种控制器的设计结合了微分几何理论及变结构控制理论。
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