Both movement and Viewpoint are situated in the same coordinate system, which is made up of three coordinate axises: person, time and space.

 
  • 摘要運動(dòng)與視點(diǎn)共處于一個(gè)座標體系中,該座標體系由人稱(chēng)、時(shí)間、空間三維組成。
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