Developing tread

• 发展趋势

Developing tread的用法和样例：

例句

1. Trends promoted in developing nations remain unbalanced.
   发展中国家的发展趋势也是不稳定的。
2. The paper presents the developing tendency of PWR NPP briefly.
   文中简要介绍了国外压水堆核电站的发展趋势。