The CGNS system consists of two parts: (1) a standard format (known as Standard Interface Data Structure, or SIDS) for recording the data, and (2) software that reads, writes, and modifies data in that format.
CGNS项目包含两个部分：（1）一个记录数据的标准格式，称为标准接口数据结构（Standard Interface Data Structure），简称SIDS；（2）用来读取、输出和修改这种格式的数据的软件。