广告品 meaning in Chinese

hand out

A unit of advertising copy equal to one agate line one column wide printed in one million copies of a publication
百万行一种宣传广告品的单位，等于现在一百万份出版物上的一行一栏宽的报纸广告行
Many of these double images were created anonymously , and imitations were rampant as they were distributed on puzzle cards and on popular advertisements
许多画像的作者不详,他们的作品则被模仿到拼图卡片和流行广告品上并广为流传
I am going to join the 100th trade fair , with some advertising items and trade samples . what kind of procedure should i go through when i enter the customs territory
我准备参加第100届交易会，随身携带一些货样和广告品，请问进境时需要办理什么手续？