HSFCOCA¹⁴⁸⁰¹⁵BNC²³⁶²¹³⁺¹ 基本例句 =High Speed Flight 高速飞行¹⁰⁰ First, this paper introduces the format and the structure of ZIP compressed files, then describes the coding methods of HSF, at last analyses two compressing algorithms of ZIP. 本文介绍了 ZIP压缩文件的格式和结构，描述了 HSF码的编码方法，重点分析了 ZIP压缩文件的两种压缩算法。 cnki