说明：  嵌入式系统是以应用为中心，计算机技术为基础，软硬件可裁剪，适用于应用系统对功能、可靠性、成本、体积、功耗有严格要求的专用计算机系统。嵌入式系统硬件一般包括处理器、存储器、外设器件和电源等。
(Embedded system is application-centric, computer technology, hardware and software can be cut for application system functionality, reliability, cost, size, power consumption, there are strict requirements dedicated computer system. Embedded systems hardware generally includes a processor, memory, peripheral devices and power supplies.)