economic and practical

• 经济实用

economic and practical的用法和样例：

例句

1. The modern education and the educational reform need to build up an economic and practical school network.
   摘要规划建设一个经济实用的校园网，是学校教育现代化和教育改革的需要。
2. An economical and practical detector in pentaerythritol production, its principle and application are introduced.
   介绍季戊四醇生产中比较经济实用的一种检测装置，对其原理和实际应用加以论述。