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And then you becomeAutomatic sprinkler system (including rain and water curtain)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.首部抗击新冠肺炎人物影像志《医者2020》，以《向背》、《问答》、《生死》、《安危》、《呼吸》为题，为观众力献五集225分钟的珍贵影像，还原疫情中的历史时刻，回望值得铭记的百天过往。此系列纪录片，将视角置于北京、武汉双城，栏目组连续走访武汉市金银潭医院、汉口医院、雷神山医院、江夏方舱医院以及北京地坛医院、佑安医院、小汤山定点医院等20家医院，在救治与求生的压力下，用所拍摄记录的一帧一画渐次拉开帷幕，直击大事件、大时代的现场。本剧讲述了大东奉盟主之令护送刘备回铁时空，但在过程中发生时空共震，被剧烈冲击力撞击的大东，睁开眼睛，发现自己竟然躺在女子更衣室的椅子上。从金宝三口中得知自己已消失了十年，而在此期间父母以及亚瑟和小雨为寻找自己而下落不明……(2) Problem Orientation: