Based on the Back-to-Back Project for the Northwest and Central China Connection, This report studies the harmonics and ac filter at ac side in the HVDC converter station.

本论文以西北—华中联网背靠背直流换流站工程为基础，进行换流站交流侧谐波和交流滤波器的研究。

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For many college students, back to school also means back to downloading music over the university's high-speed Internet connection.

对于许多大学生来说，回到学校就意味着可以重新通过学校的高速因特网下载音乐了。

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And Meltzoff finds that babies more often than not stick their tongues out back, suggesting some sort of social connection from one person to another, and then later on babies are mimics.

迈尔左夫发现,婴儿往往会把舌头伸出来再缩回去,表明了人与人之间的某种社会联系,也说明了婴儿是模仿者

耶鲁公开课 - 心理学导论课程节选

So, we had a pretty good connection to the BBS systems, the bulletin board systems, back then.

所以我们有一个很好的BBC网络系统，就是电子布告栏系统。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

Satellite, surprisingly, came out as having the best throughput although before you rush out to get satellite service remember that the roundtrip latency (the time it takes a data packet to go from your PC to its destination and for an acknowledgement to come back) over a satellite connection is often in the range of 900 milliseconds to 1, 400 milliseconds.

FORBES: FCC Broadband Performance Report Shows Improvement But Misses Big Picture

Group video chats bring back the connection to the reader and encourage interaction.

FORBES: How Skype's Group Video Calling Could Help Publishers

It's this connection back to the UK which elevated Rashid Rauf's alleged importance.

BBC: Profile: Rashid Rauf