This article introduces the difficulty and demand of development of test-drive database of engine, and the structure, function and characteristics of this database, etc.

文章介绍了开发发动机试车数据库的难点和需求，本数据库的结构、功能与特点等。

youdao

This article introduces the difficulty and demand of development of test-drive database of engine, and the structure, function and characteristics of this database, etc.

文章介绍了开发发动机试车数据库的难点和需求，本数据库的结构、功能与特点等。

youdao