Item Category Usage 项目类别用途
To obtain a high-quality scan or photograph of an item, institutions have hitherto tended to charge fees and impose additional restrictions on usage.
迄今为止，要想获取某一物品的高质量扫描件或照片，机构往往会征收费用，并对使用施加额外的限制。
Storing a single profile item is useful, but most data changes over time, particularly when you talk about energy usage.
存储单个配置项目很有用，但大多数数据随时间改变，特别是当您谈论能源用途时。
Explains the differences in contents and usage between project and item templates.
说明项目模板和项模板在内容和用法上的差异。
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