Laser hologram tamper evident printing material.

激光全息防伪字模材料。

youdao

While many historical material itself authenticity resembles, nobody can guarantee the micro data not tamper with the composition, 'GIGO effect "(input waste, an example is output waste)."

而很多历史资料本身真伪难辨，谁也不能保证那些微观资料中没有篡改成分，‘GIGO效应’(输入废物，输出废物)便是一例。

youdao

While many historical material itself authenticity resembles, nobody can guarantee the micro data not tamper with the composition, 'GIGO effect "(input waste, an example is output waste)."

而很多历史资料本身真伪难辨，谁也不能保证那些微观资料中没有篡改成分，‘GIGO效应’(输入废物，输出废物)便是一例。

youdao