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National Security Agency in Hong KongAbstractOn June 30,2020,the Hong Kong National Security Law was passed and promulgatedby the Standing Committee of the National People's Congre...

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ABSTRACTWith the rapid development of Chinese computer technology and network informationtechnology and its application and promotion in various industries,the growth rate of datab...

Design and Implementation ofSupermarket Commodity InformationManagement SystemAbstract:With the efficient development of social economy,our living standard willalso be improved,and...

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第1章绪论1.1系统开发目的由于世界上计算机与互联网迅猛的发展，人们的生活水平提高、经济水平提高、对消费的需求增加、想要消费的欲望增加。我国的餐饮业是促进我国经济发展的重要来源之一，是...