铒光纤放大器

A: Something's wrong with my computer. B: What's the problem? A: My computer won't turn on. B: Did you see if all the connections are right? A: I'm not sure I understand what you mean. B: The connections between your CPU and your outlet. A: Is that w

发表于:2018-11-30 / 阅读(124) / 评论(0) 分类 英语情景对话-日常生活

2 What are the two speakers doing? [A] Walking down a hill [B] Climbing stairs [C] Discussing a trip

发表于:2018-12-30 / 阅读(60) / 评论(0) 分类 听听测测

3 Where are the two speakers? [A] In a restaurant [B] On a farm [C] At the man's home

发表于:2018-12-30 / 阅读(58) / 评论(0) 分类 听听测测

253 、 牙板扳手;丝模扳手 dieholder(stock) 254 、 牙板螺帽 dienuts 255 、 牛皮胶;动物胶 animalglue 256 、 牛油纸 tracingpaper 257 、 牛顿运动定律 Newton'slawsofmotio

发表于:2019-01-03 / 阅读(65) / 评论(0) 分类 英文名句短语

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(79) / 评论(0) 分类 电信英语

Ytterby 瑞典小镇伊特比 yttrium 钇 (1794) erbium 铒 (1842) terbium 铽 (1842) ytterium 镱 (1907) 1794年在瑞典小镇伊特比的黑石中发现了化学元素钇,决定用 Ytterby命名该元素:yttrium。1842 年在该镇的黑石中发

发表于:2019-02-18 / 阅读(38) / 评论(0) 分类 实用英语
学英语单词
a millstone about one's neck
abrina lunella
Aconitum bulleyanum
aeronutical acoustics
agent case
allo-cardenolide
articulatory loop
Assenois
barngun
battery saver
Bechterew-Mendel reflex
blocked income
built-in functions
bulloo cr.
cable-release
capitals of liechtenstein
Chamusca
chickenarian
coil crystallizer
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corn pones
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crispifolious
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dacryopyosis
deerhorn glue
Digaura
disclown
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event-oriented
felge backward from swing
FOLFOX
ghastlily
global convergence
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hemagglutinin-esterase
hetterly
humboldt currents
income equation
infoliate
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iptgs
Isothrodym
Italianish
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mallins
meden agan!
medium mull
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mycoinulin
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NESEC
not be about to do
nozzle body
orbofiban
osteochondrosarcoma
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pleopodal
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portate
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psychological reactance
pyra
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remops
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sampull
Schiffli machine
sejunctively
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simple formatted file
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swivelling movement
sylvilaguss
tramp on the gas
triangularization
trouser clip
typographical design
Ulzë, L.i
unfortunate
unlocking handle
USNORTHCOM
william tells
word algebra
Wu Kai Sha