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In this practice, what makes me feel very much is the aspect of interpersonal communication. Everyone knows that interpersonal communication in society is very complicated, but I think it is hard to say clearly how complicated it is. Only through experience can we understand it. Only in this way can we have a deep feeling. The following is the research report on the social practice activities of college students in the countryside compiled by YJBYS. Read it!(1) Normal detection of contacts. The normal detection of contacts refers to the detection of contacts when the control coil is not energized. The normally open contacts are open with infinite resistance, and the normally closed contacts are closed with resistance close to 0. The normal detection of the normally open contacts of the time relay is shown in the following figure.Lucy Worsley's Nights At The Opera, a two-part series featuring Sir Antonio Pappano, will explore the history and music of key opera cities.今日消息总算是到了，刘邦轻轻抬起头看着周勃，本以为已经坦然的心还是忍不住的抽搐。3. The ship shall avoid crossing the navigation separation as much as possible, but if it has to cross, it shall cross in the bow direction at right angles to the total flow direction of the separation ship as much as possible.The European Pharmacopoeia defines it as "liquid, semi-solid or solid preparations usually produced from plant or animal materials". If the extract is liquid, it can be called "Tinktur" tincture; If the extract becomes viscous after evaporation of the extract and the residual wettability (Restfeutigkeit) does not exceed 4%, then we can call it Spissum-Extrakt. Well, I really won't turn this over.