对电力系统的谐波标准进行了规定。请下载！-power system standards，please download

本程式介绍CC2520 IEEE 802.15.4标准的射频收发器。其中还包括有硬件和软件运行的例子，以及如何开始使用。-The program introduced the CC2520 IEEE 802.15.4 RF transceiver standard. It also includes hardware and software to run the examples, and how to get started.

IEEE关于HVDC接入弱交流系统的报告，对搞电力的人非常有用-IEEE report on HVDC access weak AC system ，it s useful to the people who engage in powersystem

This paper focuses on improving the solution techniques for the AC problem of active power dispatch by using the DC approximation within the algorithm. Our approach brings two benefits compared with benchmark algori