博耶-林德奎斯特坐标

科学家发现宇宙第一颗恒星形成证据

Astronomers: Evidence Found of First Stars Astronomers have observed what they believe is the formation of the universe 13.6 billion years ago, when the earliest stars were just starting to shine. The astronomers say their observations may also have

发表于:2019-01-03 / 阅读(24) / 评论(0)

2018年VOA慢速英语(三)月

电信专业英英词典D-6

Direct Inward Dialing (DID) DID is PBX-to-central office trunks that allow incoming calls to a PBX to ring specific stations without attendant assistance. DID greatly reduces the number of required co

发表于:2019-01-03 / 阅读(46) / 评论(0)

电信英语

电信英语及其缩略语解释-19

DRAM Dynamic Random Access Memory 动态随机存取存储器 DRAW Direct Read After Write 写后直接读出 DRDW Direct Read During Write 写时直接读出 DRMA Digital Radio Multiple Access 数字无

发表于:2019-01-03 / 阅读(51) / 评论(0)

电信英语

HK raises Typhoon Vicente warning to highest level

HONG KONG, July 24 (Xinhua) -- As winds from Typhoon Vicente battered Hong Kong, the Hong Kong Observatory raised Tropical Cyclone warning to the highest level of Hurricane Signal No. 10 at 00:45 local time on Tuesday (16:45 GMT on Monday). Hurricane

发表于:2019-02-06 / 阅读(40) / 评论(0)

英语新闻

Wifi信号弱？放置地点有问题

Deciding where to place a Wi-Fi router at home to minimise signal blackspots is a fine art. But a physicist has attempted to tackle the problem by mathematically working out the optimum position for a router. He studied how walls and reflections affe

发表于:2019-02-08 / 阅读(48) / 评论(0)

英语新闻

经济学人219:寻找外星人

Science and technology 科学技术 Searching for aliens 寻找外星人 The wow factor 防止再次意外 A new citizen-science project will improve the chances of finding ET 一个新的平民科学项目可以增大找到地外智慧的机会 EVER

发表于:2019-02-16 / 阅读(48) / 评论(0)

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学英语单词

abactinal

aggregate fund in flow out flow

allowed band

alternation of density