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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.　　该剧通过奇幻、悬疑、青春的叙事风格，以揭秘章天音母亲车祸谜案以及苏子隐形真相的故事节奏来展现其“青春与成长”的主题：每个人的成长过程中都会有“隐痛”和挫折，我们只有学会面对，正视困难，才能变得更加坚强。章天音是真善美的化身，她的隐形男友苏子是正义的化身，这一对年轻人身上宝贵的品质，更是我们内心深处的呼唤。2. It is very difficult to win the competition only by using some mature methods, especially in the in-depth learning competition, so we need to give more creative solutions;庞夫人无力摆了摆手，你在这里围海，所里人已经有意见了，我刚刚给压下去。四十万的兵力他能够掌控驾驭好吗？尤其是其中还有中原众多诸侯的兵力，的那些诸侯们脑子里到底在想些什么，也是可以猜测一二的。正义未得伸张？别忘了，有因必有果，让新同学来重写他们的结局。改编自8则真人真事，《转学来的女生》全新第2季即将上线。学校即将开学，《转学来的女生》要再次让坏人好看。5月7日，Netflix独家。导演：派拉曲·坤万（《转学来的女生》、《暹罗坟场》）；康克得·崔维莫（《转学来的女生》、《亲密朋友》、《床边侦探》）；西帝西里·蒙柯西里（《转学来的女生》、《飞人类之吻》）；巴域·普利提潘也（《鬼4虐》、《鬼肢解》）；苏拉乌·汤格拉；杰图朋·蓝格鲁迪恰帕（《转学来的女生》、《QuarantineStories》）哥哥杀的好深。