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小娃儿记性好，多教几遍就记得了。Process Flow3. 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.Is it迪士尼国际配音公司在中国进行了大量的配音甄选工作，最后由董浩担任米老鼠配音，李扬担任唐老鸭配音。巴西喜剧演员毛里西奥·梅雷莱斯在圣保罗录制了一部单口喜剧特辑。In the 2008 issue of Baby Behavior and Development, Professor Michelle Heron and VirginiaSlaughter described their experiment in which boys and girls of different ages classified cars and dolls of various shapes.