AWS IAM user ： 由 root user 创建的用户，用来做平时具体工作，需要赋予需要的权限。做为 AWS 管理员，一般也不会用 root 用户，而是用 IAM user 进行日常工作。

ima.copilot（简称ima）是一款以知识库为核心的智能工作台产品，已接入腾讯混元大模型和DeepSeek R1模型满血版。ima是搜、读、写一体的效率工具，旨在帮助有较强知识获取、信息处理、内容输出需求的用户，提升学习、办公效率。

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We've curated a collection of free, realistic user avatars that are perfect for use as placeholders in your UI and web design projects. These avatars work well for profile pictures, digital profiles, character avatars, and case studies. You can download the avatars in JPG, PNG, and WEBP formats that you can integrate and use across your designs.

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