“美国电影分级制度”的概念、定义、翻译、参考文献-科学参考

单词	美国电影分级制度
释义	美国电影分级制度 Encyclopedia 文学〔国际电影政策与法〕释 USA movie rating system美国电影分级制度由美国电影协会（Motion Picture Association of American，MPAA）负责组织的由家长们组成的委员会，根据电影的主题、语言、暴力程度、裸体程度、性爱场面和毒品使用场面等，代表大部分家长可能给予的观点对电影进行评价的制度。
随便看	National University of San Marcos National University of Singapore national urban drinking water safety protection planning National Urban Policy and New Community Development Act of 1970 national urban system planning National Urban Wetland Park National Vegetation Database for Germany National Virtual Observatory,United States National Vocational Qualification National Voice Standard Compilation (Taiwan Region of China) National Water Museum of China National Water Research Institute national water resource protection planning national water resources management system of China national water security strategies national wealth National Wetland Museum of China national wetland museum of China National Wetland Park National Wetland Protection Project national wholesale price index of agricultural products national wildlife refuges National Women's Football League National Woodworking Machinery Quality Supervision and Inspection Center National Workers' Games of the People's Republic of China

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。