The change of time and space concept of theory of relativity is right-about.
经典电磁理论是四维协变的，相对论时空概念的改变是根本性的改变。
Dance include the concept of time, it is involved in space.
舞蹈中含有时间的概念，又被包括在空间的概念当中。
The concept of time and space plays an important role in understanding the world.
时空概念在人们认识世界的过程中起着很重要的作用。
The notions of space and time merge into a single concept: spacetime.
“赛博空间”是一种概念空间或数字空间。
The notions of space and time merge into a single concept: spacetime.
“赛博空间”是一种概念空间或数字空间。
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