In addition to query by content, I can look for images by metadata keywords, such as filename, description, and creation date.
除了按内容查询之外，还可以按元数据关键字，比如文件名、描述和创建日期来查找文件。
Each tweet is a JSON file, containing an immense amount of metadata in addition to the contents of the tweet itself: date and time, number of followers, account creation date, geodata, and so on.
每条推讯都是一个JSON文件，除了推讯本身的内容外还包含大量的元数据：日期和时间，跟帖者数量，账户创立日期，地理数据，等等。
Each tweet is a JSON file, containing an immense amount of metadata in addition to the contents of the tweet itself: date and time, number of followers, account creation date, geodata, and so on.
每条推讯都是一个JSON文件，除了推讯本身的内容外还包含大量的元数据：日期和时间，跟帖者数量，账户创立日期，地理数据，等等。
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