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官方剧照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.　　大龄未婚的仇家珠，对年轻貌美的新嫂子横竖看不入眼，在婆媳之间推波助澜。新媳妇小娇善良，面对着婆婆小姑挑战，左推右挡。几个女人中夹着男人仇家宝最为尴尬。于是从新婚的这天起便趣事不断，揭开了一幕喜怒哀乐的生活剧……膻中、脾关、气海、期门……两拳过后，黄连就闭上了眼睛，黎章还装作义愤的样子，不住猛砸。黛丝十分高兴，便让珊瑚先坐。这个人是谁？陈某就不多言了，尹将军心知肚明。能源钱景 第一季