Homes can have writing centers with materials such as magnetic letters, white boards, pencils, crayons, markers and paper.
可以在家中辟出一块地方用做孩子的写作中心，并配有小白板，英文字母教具，铅笔，彩笔和纸张等材料。
The system hardware architecture is divided into control, drive, power supply, display five blocks circuits, and magnetic coupling is used to isolate circuit boards.
系统在硬件结构上分为控制、驱动、电源、显示、电压转换五大模块电路，各电路板之间采用磁耦进行隔离。
The paper mainly discusses the working principle and structure of a new toroidal micro-magnetic fluxgate integrated inside printed circuit boards (PCB).
介绍了一种新型的基于印刷电路板技术基础上制造的环形微型磁通门传感器的工作原理和结构。
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