The extension provides a solid subset of database access features that are ideally suited for PHP 4 and continue to be available in PHP 5.
该扩展提供了坚实的数据库访问特性的子集，非常适合 PHP 4， 仍然可在 PHP 5 中使用。
2
The solid transportation problem is an important extension of the traditional transportation problem.
立体运输问题是传统运输问题的重要扩展之一。
3
The paper introduces a new type of intelligent solid flexible self-starter for motors and expound its apply extension, work principle and specification.