了解数据库技术：SQLite与MySQL的比较
define('EBML_ID_FILEREFERRAL', 0x0675); // [46][75] -- A binary value that a track/codec can refer to when the attachment is needed.
EBML_ID_FILEREFERRAL：这是一个描述文件引用的常量。
define('EBML_ID_FILEREFERRAL', 0x0675); // [46][75] -- A binary value that a track/codec can refer to when the attachment is needed.
