加强基础研究和前沿探索，突破一批关键核心技术，填补了多项重大产品和装备的空白。

We boosted basic research and research in frontier areas, made breakthroughs in a number of core and key technologies, and filled in gaps in many important products and equipment.

youdao

加强基础研究和前沿探索，突破一批关键核心技术，填补了多项重大产品和装备的空白。

We boosted basic research and research in frontier areas, made breakthroughs in a number of core and key technologies, and filled in gaps in many important products and equipment.

youdao