This presented the theory for the optimization design and improvement of the control of flow filed parameters and head structure.

这为流场参数的控制和机头结构的优化设计和改进提供了理论依据。

youdao

This article focuses on the design and analyses of Numerically controlled boring head control system with chip microprocessors. It also gives detail design of hardware and software.

本文主要研究用单片机开发数控镗削头的控制系统，对硬件结构设置及软件设计进行了详细论述。

youdao

That type of design uses three parallel arms to control the print head, enabling a device that's not only "fun to watch, " according to the group, but that can also quickly print high resolution objects with a large 9-inch by 11-inch build envelope.

ENGADGET