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时间和空间是运动着的物质的存在形式。时间是物质运动的顺序性和持续性;空间是物质运动的伸展性和收缩性,表明事物的位置、体积、形状等特性。时间和空间相辅相成,缺一不可。因此,在分析和解决时间问题时,不能离开一定的空间环境。如地方时、区时、世界时和日界线,总是和有关的经度位置密切联系,确定时刻又以日地空间关系为依据。地球运动包括内部物质运动、公转和自转3种基本形式。地球内部物质运动
Time and space are the forms of existence of moving objects. Time is the sequentiality and continuity of the material movement; space is the extensibility and contraction of the material movement, indicating the position, volume, shape and other characteristics of the thing. Time and space complement each other and are indispensable. Therefore, when analyzing and solving the problem of time, we cannot leave a certain space environment. For example, the local time, the time zone, the world time, and the date line are always closely related to the relevant longitude position. The determined time is based on the spatial relationship between Japan and the Earth. Earth movement includes three basic forms of internal material movement, revolution, and rotation. Earth’s internal material movement