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郑长河觉得外孙给老婆子灌了**汤，她很不对劲，问道：他娘，你咋又变卦了哩？板栗急忙又打岔道：外婆哪那么容易变卦？这不是说先缓缓么。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.15.5 Night blindness treatment is ineffective and unqualified.+= is to inform you when this event occurs, and -= is to inform you no longer when this event occurs.怎么可能？花无缺呆呆的站在原地，死得明明应该是他，为什么小鱼儿死了？这怎么可能？啊——燕南天发出悲痛欲绝的吼声，忍不住一掌打向花无缺。经历种种波折，盈盈和令狐冲终于走到一起，这时他们又遇到了岳灵珊，令狐冲对岳灵珊始终不能忘情，哪怕岳灵珊嫁给了林平之，哪怕岳灵珊已死。