光学非球面

大学英语精读第四册 Unit Three:Why Do We Believe That the Ear

Text Can you prove that the earth is round? Go ahead and try! Will you rely on your senses or will you have to draw on the opinions of experts? WHY DO WE BELIEVE THAT THE EARTH IS ROUND? George Orwell Somewhere or other — I think it is in the prefa

发表于:2018-12-04 / 阅读(259) / 评论(0)

大学英语精读第四册

电信术语(1)

序号中文英文术语解释缩写来源 1 光时域反射法（OTDR），向后散射法 OPTICAL TIME DOMAIN REFLECTOMETRY，BACKSCATTERING TECHNIQUE 靠光脉冲传输通过光纤，测量返

发表于:2018-12-08 / 阅读(174) / 评论(0)

电信英语

背诵为王第四册第 19 课

Lesson19 The Dead Sea Throughout history people all over the world have gone to special places where mineral-rich hot springs flow from beneath the earth@s surface. Countries with much volcanic activity such as Japan have many such hot springs and ha

发表于:2018-12-08 / 阅读(339) / 评论(0)

背诵为王第四册

当心您的爱车成为细菌的温床

Do you know so many of you will climb into your cars today perhaps to shuffle your children to soccer, to football, make their (refer to the cars) run to the grocery store. But do you also know what's

发表于:2018-12-11 / 阅读(145) / 评论(0)

万花筒2006年

电信术语(2)

序号中文英文术语解释缩写来源 21 光接入网 optical access network 由光传输系统支持的共享同一网络侧接口的接入连接的集合。OAN可以包含与同一OLT相连

发表于:2019-01-03 / 阅读(165) / 评论(0)

电信英语

CNN 2010-10-03

Declassify US government documents and witness testimony from former or retired US military personnel confirm beyong any doubt the reality of ongoing UFO incursions at nuclear weapon sites. When I say UFO, the witnesses have described this craft as d

发表于:2019-01-08 / 阅读(165) / 评论(0)

CNN2010年(十)月

SSS 2009-01-14

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid

发表于:2019-01-08 / 阅读(151) / 评论(0)

Scientific American(一)月

SSS 2010-01-12

If youve ever had a garden or grown flowers in a window box, youve probably heard that you shouldnt water your plants at high noon because their leaves might scorch. Now a study in a journal called New Phytologist confirms that water droplets can foc

发表于:2019-01-08 / 阅读(182) / 评论(0)

Scientific American(一)月

电信术语(6)

序号中文英文术语解释缩写来源 101 操作维护中心 Operation and Maintenance Center OMC YD/T 1221.1-2002 102 光分插复用器 Optical Add/Drop Multiplexer OADM YD/T 1205-2002 1

发表于:2019-01-08 / 阅读(173) / 评论(0)

电信英语

电信术语(7)

序号中文英文术语解释缩写来源 121 出接口 outcoming interface oif YD/T 1177-2002 122 操作维护应用部分 OMAP YD/T 1180-2002 123 开放系统互连 OSI YD/T 1180-2002 124 光放

发表于:2019-01-08 / 阅读(156) / 评论(0)

电信英语

电信术语(9)

序号中文英文术语解释缩写来源 161 光配线网 Optical Distribution Network ODN YD/T 1250-2003 162 光线路终端 Optical Line Termination OLT YD/T 1250-2003 163 光网络单元 O

发表于:2019-01-08 / 阅读(160) / 评论(0)

电信英语

电信术语(10)

序号中文英文术语解释缩写来源 181 运行，管理和维护 Operation,Administration and Maintenance OAM YD/T 1273-2003 182 光功率放大器 Optical Boosting Amplifier OBA YD/T 12

发表于:2019-01-08 / 阅读(200) / 评论(0)

电信英语

TED演讲 :飞向海洋(5)

You see the larger wing area here. 你们可以看到这儿有面积更大的翅膀。 Also, clearly, it was such a powerful thing,we wanted to try and bring other people but we couldn't figure out how to do it. 而且，这还是件很有影响力的事

发表于:2019-01-18 / 阅读(144) / 评论(0)

TED演讲娱乐篇

电信术语(14)

序号中文英文术语解释缩写来源 261 操作和维护 Operation Maintenance O＆M YD/T 883-1999 262 操作维护和管理 OAM YD/T 997-1999 263 操作维护中心 Operation Maintenance

发表于:2019-02-01 / 阅读(226) / 评论(0)

电信英语

电信术语(13)

序号中文英文术语解释缩写来源 241 光线路终端 OLT YD/T 1090-2000 242 光网络终端 ONT YD/T 1090-2000 243 光网络单元 ONU YD/T 1090-2000 244 操作系统 OpS YD/T 1090-20

发表于:2019-02-01 / 阅读(217) / 评论(0)

电信英语

电信术语(12)

序号中文英文术语解释缩写来源 221 开放系统互连 Open System Interconnection OSI YD/T 1280-2003 222 操作维护中心 OMC OMC YD/T 1079-2000 223 帧失步秒 Out-of-Frame Seco

发表于:2019-02-01 / 阅读(252) / 评论(0)

电信英语

电信术语(11)

序号中文英文术语解释缩写来源 201 光回损 Optical Return Loss ORL YD/T 1274-2003 202 光信噪比 Optical Signal to Noise Ratio OSNR YD/T 1274-2003 203 光监控通路 Optical Su

发表于:2019-02-01 / 阅读(233) / 评论(0)

电信英语

时代周刊盘点年度十大发明：这才叫终极创造力

每年，《时代周刊》都选出让世界更美好、更智能、更有趣的发明。今年的也能让你大吃一惊哦！ 1.The Levitating Lightbulb 1.悬浮灯泡 Since he was a child, Simon Morris has been obsessed with making objects float

发表于:2019-02-01 / 阅读(204) / 评论(0)

阅读空间

TED演讲:月亮的错觉(2)

For one thing, if this was just the Ebbinghaus effect, 首先，如果真是艾宾浩斯效应， then we would expect the moon illusion to disappear for pilots flying high above the clouds 那么我们应该预期月球错觉对于空中的飞行员来

发表于:2019-02-13 / 阅读(147) / 评论(0)

TED演讲教育篇

2018年CRI Tibet to have universal fibre-optical broadband service

China's Tibet Autonomous Region is about to achieve a universal coverage of fibre-optical broadband service ahead of its schedule. As China further rolled out its universal broadband project, Tibet's broadband service is looking to reach 98% of admin

发表于:2019-02-14 / 阅读(205) / 评论(0)

2018CRI中国国际广播电台

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学英语单词

a yellow dog

abbiliment

additional thrust rudder fin

areolate

astrocyanite-(Ce)

astronaut camp

asymptotic unbias(s)edness

Automated Process Planning System

ayes

backward ship

beginning character position