To ensure the feasibility of conceptual-structure design and its cost saving, the tolerance design was set in the conceptual design stage and its key technologies were studied.

为保证概念结构设计的可行性与经济性，提出了将公差设计研究提前到概念设计阶段的思想，并研究了其中的关键技术。

youdao

And described in detail at each stage of software development and the achievement of key technologies.

并详细介绍了课件开发的每个阶段以及关键技术的实现。

youdao

It's a new stage of wireless communication technologies and will become one of the key technologies in 3g and 4g.

它是无线技术进入的一个新的阶段，将成为3g和4g移动通信中的关键技术之一。

youdao

Matsushita also works closely with kyoei gaisha individually, sharing key technologies and bringing them in early at the design stage of production.

ECONOMIST: Business-to-business in Japan