题目内容

为保证条码的光学特性应注意材料的()特性。

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EAN International 是指()。

在条码尺寸设计时,主要要考虑以下几个因素:()、与装潢的整体协调、印刷厂的印刷条件。

国际物品编码协会已组织几十个会员国,在联合国及国际标准化组织 ISO 规范指导下,根据联合国欧洲经济开发委员会的行政管理、商业和运输业电子数据交换规则(EDIFACT),制定了()。

What is said about the fearful memories in the passage?

A. They cause many people to suffer from PTSD.
B. Mice are still more influenced by them than humans.
C. They will never be completely erased as we expected.
D. Gogolla has found an effective way to eliminate them.

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