选这门课的英语

选修课：elective course必修课：required course

This article is an analysis of the student course selection system and its web application planning. This system is a typical MIS, its development includes two main portions: the development and maintenance of a back-end database, and the development of a front-end application. The requirement for the first portion is to establish a database with consistency, integrity, and security. The requirement for the latter portion is to develope an application that's complete in functionality and easy to use.. The request for the establishment of strong data consistency and integrity, good for the security of the data. For the latter request applications functions, such as easy to use features.

optional course 是对的~~~cet4听力~~出现n次了~~

Summary : This paper analyses the main programme including student course choices with network planning, the system is a typical management information system (MIS), including its main development background to the establishment and maintenance of the database and front-end application development 2. The request for the establishment of strong data consistency and integrity, good for the security of the data. For the latter request applications functions,.It is easy to use.

elective course, selective course, optional course