The properties and qualities of the marking materials with red fluorescence are very important in bond and currency as an anti-fake method.

红色荧光标识材料的物化性能与品质决定了其作为主要防伪手段在证券和货币上的运用。

youdao

This specification specifies requirements, test methods, inspection rules, packaging, marking, transportation and storage of "conductive carbon black" materials.

本规范规定了采购“导电炭黑”材料的要求、试验方法、检验规则、包装、标志、运输及贮存。

youdao

Develop packing, packaging, and marking methods and procedures to protect and control the quality of products and packaging materials.

制定包装、包装材料和标记的方法和程序，以保护和管理产品和包装材料的质量。

youdao

That statistic grossly under represents the huge amount of work that most teachers put in outside the school day (preparing class materials, marking papers, etc).

ECONOMIST: Letters