National Qualifications Framework国家资格框架 National Quality Forum国民素质的论坛 Norsk Quilteforbund (Norwegian Quilt Association)挪威Quilteforbund(挪威棉被协会) Neutron Quality Factor中子质量的因素 National Qualifications Forum国家资格的论坛 Nuveen Florida Investment Quality Municipal Fund市政基金投资NUVEEN佛罗里达的质量