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Time relay, English name is me relay, is a relay that generates action only after the input action signal is added or removed, and the output circuit needs a specified accurate time. It is applied to low circuits to switch on or off high voltage and high current circuits. Time relay is also an electrical appliance that uses electromagnetic principle or principle to realize delay control, including air damping type, electric type, electronic type and other types.曹参率领的可以说是汉军精锐，是汉王刘邦中军大帐附近防御的心腹将士，忠心耿耿。Common Values: Through this set of strategic management methods, core values such as market-oriented, open innovation and team cooperation have been created for the team from beginning to end.1. Read the competition introduction and data description carefully;故事发生在1944年，冀中平原。正是抗日战争相持阶段，在华日本侵略军垂死挣扎。冀中有个文家庄，庄上有位文善仁，家境殷实，为人乐善好施。沦陷之后，胆小怕事的文善仁忍辱偷生，本想当个顺民了此一生。不料祸从天降，从此改变了他的命运……他们在金钱的罪恶里阴险的生活着，为达到目的，不择手段。1. Adapter mode