There are six different fumonisins with the basic structure. 由于基本结构的不同串玉米镰孢菌毒素有六种不同的形式。
A new database table structure which stores a string of sampling data as binary data into a record is presented to improve earthquake precursor data access speed. 为提高地震前兆数据库的存取效率，提出了一种把一串观测数据以二进制存储为一个记录的新的数据库表结构。
