在广义相对论中，时间被看作和长宽高一样的维度，并与它们构成了一个四维宇宙—被称作时空。
In general relativity, time is considered a dimension like height, width and depth, creating a four dimensional universe called space-time.
论述相空间重构中延迟时间与嵌入维数之间的关系，提出广义嵌入窗长的概念。
The relationship of embedding dimension and delay time is discussed and a new concept namely the generalized embedding Windows is put forward.
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