national standard, such as the official technical standards or character encoding in mainland China; abbreviation of 国家标准 guó​jiā​biāo​zhǔn

international standard; abbreviation of 国际标准 guó​jì​biāo​zhǔn

international standard ballroom dancing; abbreviation of 国际标准舞 guó​jì​biāo​zhǔn​wǔ