国家电力调度通信中心。电力系统继电保护实用技术问答[M]。北京：中国电力出版社.2000。

National Electric Power Dispatching & Communication Center. Questions and Answers About Power System relay[M]. Beijing:CEPP. 2000

youdao

Yesterday, on M.L. King Day, I had the privilege of being on at least four radio programs about this new book I have out called A Slave No More, some of them quite terrific.

昨天是马丁·路德·金的纪念日,我有幸被超过四家电台的问答节目邀请去,介绍我最新出版的一本书《无奴之国》,有些问题很有深度

耶鲁公开课 - 美国内战与重建课程节选

And this year we're hoping to publish a series of questions and answers,

今年我们还会出版一个问答系列，

耶鲁文艺刊主编 - SpeakingMax英语口语达人