This paper presents space-time theory of sport, as a means to describe the Relativity said reference and reference of time and space coordinates of the mutual relations exercise.

提要：文章提出时空运动学说，以此来描述相对论所说的参考物和它的时空坐标的相互运动关系。

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Improve tourism marketing planning, achieve a three-dimensional development of the tourism market by making time, space as coordinates.

三是搞好旅游营销规划，以时间、空间为坐标，实现旅游市场的立体开发。

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The application only needs to project one face-shaped light spot pattern and only needs one-time imaging so as to finish the measurement of the space coordinates of all the light spots on the face.

本申请只需投射一幅面状光点图案且只需一次成像即可完成测量出该面上所有光点的空间坐标。

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