社会规范 social norm ; social regulation ; norm ; Social norms

社会规律 social law

社会规划 social plan

约会规则 Rules of Engagement ; Rules Of Engagement Season ; GUY-VERSUS-GIRL

社会规则 social rule ; social norms ; Rules of the society ; Community rules

美国石油学会规范 API Spec ; specifications API ; api ec

美国石油协会规格 American Petroleum Association ; API ; API American Petroleum Association

韩国船舶协会规格 Korean Resister of Shipping

美国舰艇协会规格 American Bureau of Shipping