需求收集是一种有损压缩。

Requirements gathering is a lossy form of compression.

作为图像有损压缩的方法之一，矢量量化的压缩比极大。

As one method of image lossy compression vector quantization has great compression ratio.

几乎所有的视频编译码器都采用有损压缩，最小化与视频相关的数据量。

Almost all video codecs use lossy compression to minimize the huge amounts of data associated with video.