光学准直透镜

Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will tell the story in two parts. Now, here is Maurice Joyce with part one of The Diamond Lens. When I was ten years old, one of my older cousins gave me a microscop

发表于:2018-12-08 / 阅读(508) / 评论(0) 分类 2018年VOA慢速英语(二)月

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(108) / 评论(0) 分类 电信英语

AMERICAN STORIES - Short Story: The Diamond Lens by Fitz-James O'Brien (Part 2) Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and

发表于:2018-12-16 / 阅读(82) / 评论(0) 分类 2011年VOA慢速英语(六)月

Nose bridge 鼻中 Tip 脚套 Temple 脚丝 Plating 电镀 Printing 印字 Lase 镭射 Spectacle frames 眼镜架 Sunglasses 太阳眼镜 Sports spectacles 运动眼镜 kid's eyewear 儿童眼镜 Reading glasses 老花镜 Contact lens 隐形眼镜 Gl

发表于:2018-12-18 / 阅读(83) / 评论(0) 分类 英文语法词汇

Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Joyce with part two of The Diamond Lens. When I was a child, someone gave me a microscope. I spent

发表于:2019-01-03 / 阅读(330) / 评论(0) 分类 2018年VOA慢速英语(三)月

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(112) / 评论(0) 分类 电信英语

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(111) / 评论(0) 分类 电信英语

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(90) / 评论(0) 分类 电信英语

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(104) / 评论(0) 分类 电信英语

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(121) / 评论(0) 分类 电信英语

AMERICAN STORIES - Short Story: The Diamond Lens, Part 1, by Fitz-James O'Brien SHIRLEY GRIFFITH: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will te

发表于:2019-01-12 / 阅读(107) / 评论(0) 分类 2011年VOA慢速英语(六)月

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(151) / 评论(0) 分类 电信英语

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(143) / 评论(0) 分类 电信英语

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(177) / 评论(0) 分类 电信英语

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(151) / 评论(0) 分类 电信英语

眼镜专业术语单词 Nose bridge 鼻中 Tip 脚套 Temple 脚丝 Plating 电镀 Printing 印字 Lase 镭射 Spectacle frames 眼镜架 Sunglasses 太阳眼镜 Sports spectacles 运动眼镜 kids eyewear 儿童眼镜 Reading glasses 老花镜 Contact lens 隐形眼镜 Glass optical lense

发表于:2019-02-06 / 阅读(90) / 评论(0) 分类 英文语法词汇

Nose bridge 鼻中 Tip 脚套 Temple 脚丝 Plating 电镀 Printing 印字 Lase 镭射 Spectacle frames 眼镜架 Sunglasses 太阳眼镜 Sports spectacles 运动眼镜 kid's eyewear 儿童眼镜 Reading glasses 老花镜 Contact lens 隐形眼镜 Gl

发表于:2019-02-13 / 阅读(75) / 评论(0) 分类 实用英语

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(139) / 评论(0) 分类 2018CRI中国国际广播电台

Like glasses, contact lenses work by bending light rays just the right amount to make the object come into focus on the retina at the back of the eye. Sometimes the eyes natural lens has an imperfection or may not be shaped properly, which can make y

发表于:2019-02-15 / 阅读(91) / 评论(0) 分类 英语时差8,16

Making Contact 为什么戴隐形眼镜看东西更清楚? Don:I get contact lenses to replace my glasses and its like Im seeing the world through new eyes. Its miraculous ! Yal: Acutlly, Don, there is nothing miraculous about it. D: Who tell? Y: W

发表于:2019-02-24 / 阅读(108) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
action for trespass
Albany Downs
Alisma L.
annulleth
antiglyoxalase
attediation
B.Mech E.
barlerin
betina
Black Code, black code
books of mormon
buffer time
cataolasis
central register
code-mix
come to the top
communication switching system
constant rate of strain test
corrin
cyclotus
data transfer instruction
dehydroepiandrosterone sulfate (dheas)
dehydrohetisine
dense formation
direct-axis synchronous impedance
DNDO
every thing before one
feurstein
field of tangent vectors
fixed ring seal
Frackville
gettablest
gossomer
gundola
hand lead bend
haplosphaera phaea hand.-mazz.
harmonic conjugate rays
hatecke
hoders
input transformator
institute of sales and marketing executives
interloped
international rules football
ion deposition
karl czernies
latent heat storage system
liquor saccharini
lucies
lunisolar year
luschka's muscle
made himself clear
marine forecast
mean wetted breadth
metecdysis
methyl pentose
Mill on the Floss
module coupling
natural mutation rate
nautical measure
nervous nellies
Nervus mixtus
new hatched silkworm
nondestructive read-out
nubmer
on-line estimation
ornithogeography
pere jacques marquettes
Peter Scott
physiological sensation
pluvialis dominica
procedure of analysis
pseudohyperphoria
Pörnbach
recommenced
romney sheep
Sapium sebiferum Roxb.
semi-iterative
Semliki forest encephalitis
single double spring door
single-year
sint odili?nberg
skytel
slip-weld hanger
spatial homogeneity
spontaneous twinning
subfascial synovial bursa
subtextual
supplementary angles
svarabhakti
task dispatch
thermal glass
thyroiditis
to the wide
transcorporates
trapezoid bone of lyser
treasuriess
tsumebite
two-way simplex circuit
uku
unlabelled block
unstringent
writhed