registered certificate英'redʒɪstəd sə'tɪfɪkət美'redʒɪstəd sər'tɪfɪkət短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 注册证书 No authentication shall be required for this certificate.该项注册证书无需认证。 The term of validity for the registration certificate of medical devices is four years.医疗器械产品注册证书有效期四年。