No information is lost; when you decompress, you get the original file.

没有信息丢失；当你解压时，你会得到原始文件。

MPEG-4 videos, a common standard, are often 20 to 200 times smaller than the original, uncompressed file.

MPEG-4 视频是一种通用标准，通常比未压缩的原始文件小 20 到 200 倍。

So, that's an extreme example, going from a slightly compressed JPEG to a highly compressed one, one-eighth the original file size.

所以，这是一个极端的例子，从略微压缩的 JPEG 到高度压缩的 JPEG，原始文件大小的八分之一。

We will ensure that every one of our AI-generated images has metadata and markup in the original file to give you context if you come across it outside of our platforms.

我们将确保我们每个由人工智能生成的图像在原始文件中都有元数据和标记， 以便你在我们的平台之外看到它时，为你提供相应信息。

They managed to get the other science and housekeeping data from one of the other engineers who worked on the Pioneer missions — he'd decided to save a copy, even though NASA destroyed the original files.

他们设法从一位参与先驱者任务的其他工程师那里获得了其他科学和内务管理数据——他决定保存一份副本，尽管 NASA 销毁了原始文件。