可应用于任何安全模型的一种防护措施是分级数据访问。
One safeguard that can be placed on any security model is graduated data access.
数据是以问卷的形式收集的,问卷采用的是分级表格形式。
The data are collected through questionnaires which take the form of likert scale.
数据是以问卷的形式收集的,问卷采用的是分级表格形式。
The data are collected through questionnaires which take the form of likert scale.
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