As defined in the Sun JDBC 2.0 Standard Extension specification, data sources allow you to manage a pool of connections to a database. Using connection pools gives you with the following advantages.
根据Sun JDBC 2.0 Standard Extension规范中的定义，数据源允许您管理数据库的一个连接池。
2
In connection with the rebuilding and extension work, the facade surfaces of the existing building will also be newly painted.
与扩建工程和改建工程有关的既有建筑物外墙表面也将被重新喷涂。
3
The USB could overcome some of the limitations of the traditional data acquisition card, such as the large volume, difficulty in extension, inconvenience in connection and low transfer rate.