Through its description of relationship between certification and TBT, we learn that certification is a combination of standards, lows &rules and conformity assessment.

• 论述了认证与技术性贸易壁垒的关系，指出认证实际上是标准、法律法规和合格评定程序的组合，是一种高级形式的技术性贸易壁垒，具有很强的隐蔽性。