This paper has MQ-2 resistance-type smoke sensor and analog electronics technology as the core, to design a good technical level of the smoke alarm.

本论文以MQ - 2电阻式烟雾传感器和模拟电子技术为核心，设计出一种技术水平较好的烟雾报警器。

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The elite "core" to build, the super generation to create! Nanhai Bojun Electronics Technology Co.

佛山市南海宝骏电子科技有限公司 精“芯”打造，超强一代！

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Power electronics including power electronics, inverter circuit and control circuit of three parts, which is the basis for power electronic devices, power electronics converter technology is the core.

电力电子技术包括电力电子器件，变流电路和控制电路三个部分，其中电力电子器件是基础，变流技术是电力电子的核心。

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The approach mentioned above needs innovations and inventions in core technology areas such as material sciences, electronics, fluid mechanics, power systems and the like.

FORBES: Why a new 'avatar' of innovation is necessary in emerging economies

The core of the electronics business is a legendary New England technology enterprise once known as Sanders, which may be the most knowledgeable organization in the world on arcane missions like signals intelligence and jamming.

FORBES: British-Based BAE Systems Shifts U.S. Strategy