当前的数据库管理系统不能有效地支持生物序列数据类型和操作，人们不得不用文本数据类型或直接使用文本文件存储生物序列数据。

Existing database management system cannot efficiently support biological sequence data type and its operations, people have to use text data type in database management system or text file directly.

youdao

当前的数据库管理系统不能有效地支持生物序列数据类型和操作，人们不得不用文本数据类型或直接使用文本文件存储生物序列数据。

Existing database management system cannot efficiently support biological sequence data type and its operations, people have to use text data type in database management system or text file directly.

youdao