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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.暴力女汉纸老师&假扮机器人的帅气总裁的搞笑爱情故事！所有看过这一章的人都惊呆了，无论大家如何发挥自己的想象力，也无法想象出苏樱的具体形象，苏樱仿佛不属于人间，来自于天上转身进了一间屋子，拿出两把木刀，扔给两个少年，道：少爷和表少爷照我平日教的练给我瞧瞧。　　法王施计欺骗国王要治好公主的病必须得到灵山草人，于是国王下令号召所有人寻找草人，穷小子张翔（刘锡明）无意中遇到草人并搭救了仙仙，并与其相爱。Move陈平嘴角不仅露出会心的笑容，尹旭这一句话自己便成了越国的丞相，这正是他所梦寐以求的。