收集不同环境中发生虐待老人情况的范围和类型的证据（以了解这一问题在全球层面的严重程度和本质）；

building evidence on the scope and types of elder maltreatment in different settings (to understanding the magnitude and nature of the problem at the global level);

youdao

首先介绍了电子证据的收集主体、收集工作应遵循的原则和收集的范围，然后列举并重点分析了收集的措施。

After introducing the subjects of electronic evidence collecting, the principles and scope of collection, this part carries on detailed analysis to collecting manners and methods.

youdao

首先介绍了电子证据的收集主体、收集工作应遵循的原则和收集的范围，然后列举并重点分析了收集的措施。

After introducing the subjects of electronic evidence collecting, the principles and scope of collection, this part carries on detailed analysis to collecting manners and methods.

youdao