overall improvement

• 全面提高

overall improvement的用法和样例：

例句

1. To upgrade the overall level and capacity of China's launch vehicles.
   全面提高中国运载火箭的整体水平和能力。
2. The popularization of this technology would be favorable to the general improvement of casting quality.
   该技术的普及将有利于铸造产品质量的全面提高。