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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.大企业职员vs.百万油管博主？拥有百万粉丝，个性十足的油管博主们横冲直撞的大企业就职记！少林辖下的乌龙寺的主持圆慧及他所监守的武典《九阴真经》不知何故，同告失踪。二十年后，慧的胞弟紫薇真人高居当朝国师。《生活对我下手了》是爱奇艺、浩瀚娱乐出品，春风画面制作的竖屏短剧。该剧是由开心麻花艺人乌日娜与新晋导演李亚飞联合执导，辣目洋子、嗯呐朱莉、童瓜、向夏领衔主演，常远、阿云嘎、黄才伦、董力、于小彤、白客、董岩磊、赵天宇、易小星、王天辰等共同出演的青春爆笑喜剧，这个秋天你还是单身吗？6 p: M # E "w 'l' d3] * L根据张宇同名小说改编。一个让所有女人心动的男人；一个让所有男人感动的女人。漂亮的小姨子刘莉爬到了姐夫锅炉工于富贵的床上。憨厚、老实的于富贵无奈之下犯了一个美丽的错误。他懊悔莫及，软弱的于富贵在爱人和小姨子之间左右为难，神不守舍的差点导致锅炉爆炸。