单词:frequency-shift modulated track circuit
单词:frequency-shift modulated track circuit 相关文章
This is the second in a two-part Business English Pod lesson on questioning techniques. Last time in BEP 64 we looked at making small talk and gathering information with open questions, getting specific information with probing questions and guiding
补充: Backbone - A series of high-speed network connections through which other networks connect. Bandwidth - According to Webster's: a range within a band of wavelengths, frequencies, or energies
Cache - Generally, a place to temporarily store something. Regarding computers and telecommunications, it is a place where data is temporarily stored during transmission. Call - This is a connection b
Delay - This is the wait time between to specific events, and regarding satellite communications, it is the time it takes for a signal to go from the transmission station up to orbit and through the s
digital revolution 数 字 革 命 digit 数 字 (码 位 ), 数 位 digital economy 数 字 经 济 digital earth 数 字 地 球 digital subsistene 数 字 化 生 存 digital museum 数 字 博 物
Maryland Couple Makes Beautiful Objects From Recycled Circuit Board There is no shortage of recycled material for Debby Arem's creations. She uses everything, from pieces of scrap metal and electronic components, to computer circuit boards and chips.
Exercise 10-1 : When S Becomes Z CD 4 Track 31 Under Contrast, in the list that follows, notice how the voiced wordis drawn out and then repeat theword after me. Both voiced and unvoiced diphthongs have the underlying structure of the tone shift,or t
今天我们要讲几个在美国总统大选的竞选阶段常会用到的习惯用语。美国总统大选每四年举行一次。在大选年的前一年,准备竞争本党总统候选人提名的人士就已经在各州积极展开竞选活动了,
NOEL KING, HOST: There is a new star on Broadway. He's 20 feet tall, weighs 1.2 tons, and his name is King Kong. He's a puppet, and he's the centerpiece of a $35 million musical based on the original film that opens tonight on Broadway. Reporter Jeff
Cocktail fans in London will want to take deep breaths when they enter a pop-up bar that opens on Thursday, July 30, on the site of an ancient monastery in Borough. 位于博罗市场古老修道院内的一家快闪酒吧于7月30日开放,伦敦爱
TUNIS, March 24 (Xinhua) -- Elena Svitilona of Ukraine won the la Marsa Open after beating Bulgaria's Isabelle Shinikova 7-6, 7-6 in the final on Saturday in the north of the capital. On Friday, Svitilona easily defeated Tunisian hopeful Ons Jabeur,
U.S. first lady Michelle Obama spent some time Saturday answering calls from children across the country who were hoping to find out where Santa Claus was on Christmas Eve. Just as she did last year, the first lady took calls from the NORAD Tracks Sa
If you are looking for a loan, serving your bank manager breakfast might just do the trick. 如果你准备申请贷款,不妨为银行经理准备早餐,问题即可迎刃而解。 A compound found in eggs makes people much more generous, new re
SAN JOSE, Dec. 23 (Xinhua) -- Colombian cyclist Oscar Sanchez took the lead Sunday in the 48th edition of the Costa Rica Tour, clocking the fastest time in the seventh leg of the 12-stage competition. Sunday's race featured a grueling 18-kilometer up
Improving London The Olympic games hope to regenerate a poor part of London and make it better with jobs, homes, shops and transport links. These will last for a hundred years or more, not just for a few weeks in the summer. The different buildings a
The little hairbird still continues his almost incessant chirping, the first to begin and the last to quit the performance. 小小的梳妆鸟依旧在无休止地啾鸣,先是第一只开始,直到最后一只停止表演。 Though the voice of
In the morning, at this time of year, on the contrary, we are overpowered by the vocal and multitudinous chorus of the feathered tribe. 与之形成鲜明对比的是,每年这个季节的清晨,我们都会被长着羽毛的族类那动听和多声
But the Nautilus wanted nothing to do with these nasty animals. Timor Island was visible for barely an instant at noon while the chief officer determined his position. 但诺第留斯号跟这些怪难看的动物并没有什么交道可打。帝位岛
Science and technology. 科技。 Neutrino communications 中微子通信 ET, phone home 外星人,致电家中 The world's first neutrino-messaging service 世界上首次中微子通信服务 PARTICLE physics is all very well for addressing trivi