英文含义
JPEG的全称：Joint Photographer'S Expert Group | 中文意思：───联合摄影师'专家组
JPEG的全称：Joint Photographic Experts Group (development group for compressed 24-bit color image storage format; also a file extension) | 中文意思：───联合图像专家组(发展集团压缩的24位彩色图像存储格式；还有文件扩展名)