- 重点词汇
- 全国
whole/entire nation/country
- 统一
unify; unite; integrate; unified; united; unitary; uniform; centralized
- 证书
certificate; credentials; testimonial
- 查询
inquiry; enquire about; ask for/seek information; make enquiries
- 平台
terrace; flat-roofed house; movable platform; platform; the same level/grade; opportunity
- 官网
official website