He added that the missing hologram should have been detected by electronic surveillance.

他还说，电子监视设备本应该发现漏印了全息防伪标志。

Hologram dimension is one of the basic concept in hologram theory, which is the microcosm of entirety, and which has the characteristics of embryon, development and recapitulation.

全息元是全息理论中一个基本概念，它是整体缩影。