北: north, (classical) to be defeated...
饼: round flat cake, cookie, cake, pastry...
精密: accuracy, exact, precise, refined...
服务器: server (computer)...
联络: to get in touch with, to contact, to stay in contact (with), liaison, (math.) connection...
优化: optimization, to optimize, to make superior...
微弱: weak, faint, feeble...
管家: housekeeper, butler, manage one's household...
选用: to choose for some purpose, to select and use...
施压: to pressure...
