行波式雷射放大器

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

发表于:2018-12-08 / 阅读(55) / 评论(0) 分类 VOA常速英语2008年(四月)

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

And the direction the crystals are pointing makes a difference to the speed seismic waves travel through the rock: a wave traveling parallel to the crystalsin other words, along the length of the toothpickmoves faster than a wave traveling in the oth

发表于:2019-02-15 / 阅读(34) / 评论(0) 分类 英语时差8,16
学英语单词
.obj
abrabanel
adherent leukoma of cornea
Akershus Fylke
al qafrah
alkyl-isothiocynate
an approach to
auto-answer modem acoustic coupler
Automatic Exercise
Bani River
bidialectal education
boot last
brachysomophis cirrhochilus
breaking resilience
buffer address
casiumbiotite
central conservatory of music
ceramic coated metal cutting tool
chained sequence
China Insurance Clause
cold shrink disassembly
countenance
cudbears
debates
diuretin
domain of order
dugi otok (dugi i.)
electric indication lock
electropolar kinetics
eurythermal organisms
family hotel
filter feed tank
finishing surface
first derivative
flame-wavering method
fuyu
Galamila
geek-chic
give a party
gortaris
have sth going for you
hockle
humidity adjusting
ichthyosauriform
improvement and extensions
International Maritime Satellite-C System
isolationist
Kroksjö
Lepontic
lisper
loss-proof
macro-process
mahone
mean opposition distance
mega-gray
moorei
natrium ammonium phosphoricum
network transparency
nonbilayer lipid
obstructed extrusion flow
Ocate
Off-the-Run Issue
Onot
output at full gate opening
patent Axminster carpet
Paulism
perfume dermatitis
permittedly
phoma exigua
polyprionid
prototype radar system
radio capsule
radio-communication frequency
ranium
recomputing
rotary internal combustion engine
royal braces
Sabzak
safron
saggingly
scanning transmission ion microscopy
second median area
shallow earth cover
shell work
steady-state acceleration
steam pocket in water tank of radiator
suncatcher
tamarix elongata ledeb.
telegraphy demodulator
toughened silver nitrate
Toulon typhus
transparent data
two-field picture
typha shuttleworthii koch et sond
walk tall
walks over
Watson.
web browsers
willowside
wipe ... up
wire-spring
you may well ask