Duality invariance is the core of the space theory of functional analysis.
对偶不变性结果是泛函分析空间理论的核心内容。
2
It is one that you left behind you eons of time ago, to experience time and space in Duality.
这个体验是你在亿万年前就失去了的，为了体验二元性世界的时空。
3
The forming process and active mechanism of the Generalized-Gradient theory can be simplified as it's of the duality structure from high gradient to low gradient in space.