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3. Physical period: Uniform circular motion is a kind of periodic motion. The so-called periodicity refers to the fact that after a certain period of time, the moving object repeats back to its original position, and the instantaneous speed repeats back to its original size and direction. The time it takes for an object to move in a uniform circle is called a period. The period is expressed by the symbol T, and the period is also a physical quantity describing the speed of uniform circular motion. The long period indicates the slow motion of the object, while the short period indicates the fast motion of the object.CW又一次一口气续订多剧，这次共13部，包括《超级少女Supergirl》（S6）。First, on the study and implementation of the important thought of "Three Represents":At the beginning of this year, Osaka Weaving House cut off the Electronic Commerce Department and Wang Bo led the establishment of a new Tmall retail division covering the backbone of various departments. The COO said that the new retail is a new thing for Osaka Weaving House, and it is inevitable to encounter obstacles in advancing layer by layer. He is in charge and can use the company's administrative means to ensure the speed of advancing when necessary.