[化] 放大程序; 放大步骤

Splendid! He kept his telescopic cameras carefully aimedglued to their moving objective; 精彩片他小心地调着望远摄影机的镜头,盯紧了那移动着的对象。 clapped on a higher power to get a close-up of the frantic and distorted

发表于:2018-12-07 / 阅读(57) / 评论(0) 分类 美丽新世界

BBC News with Julia Candler. A senior member of North Koreas government has warned that his country would react with a pre-emptive nuclear strike if it saw signs that the US was preparing to launch an attack. Speaking to the BBC, the Vice Foreign Min

发表于:2018-12-20 / 阅读(47) / 评论(0) 分类 中英双语新闻

PCRthe polymerase chain reactionis a crucial tool. The DNA amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases. To give researchers more genetic material to work with, a PCR instrument repeatedly heat

发表于:2019-01-08 / 阅读(49) / 评论(0) 分类 Scientific American(十)月

This is Scientific American 60 Second Science, I am Karen Hopkin, this will just take a minute. Every year, about 10 million tons of paper winds up in American landfills and incinerators, which is not only wasteful but adds CO2 to the atmosphere. Rec

发表于:2019-01-08 / 阅读(70) / 评论(0) 分类 Scientific American(三)月

By Robert Raffaele Washington 27 March 2008 A new type of surgery may make it easier for patients who would otherwise require a more invasive procedure. The new type of operation makes it possible for doctors to remove unwanted tissue through a patie

发表于:2019-01-09 / 阅读(79) / 评论(0) 分类 VOA标准英语2008年(三月)

Because of course, the ear is, I mean, subject to all sorts of things. 这当然是因为,我是说,耳朵受制于很多因素。 The room we happen to be in, the amplification, the quality of the instrument,the type of sticks...etc., etc. 我们现

发表于:2019-01-18 / 阅读(39) / 评论(0) 分类 TED演讲国际问题篇
学英语单词
absidia corymbifera
acute circumscribed edema
Al'met'yevsk
aniline orange
antitraditional
astern rating
asymptotic distribution of likelihood ratio
aulete
autocratically
average recovery rate
Banlangen
Barakzai
benefiting qi for promoting production of blood
blakemeres
Bronx cheer
burhan
catch on the wrong foot
cephalosomes
certificate master
clanked
combinatories
comparability theorem
contactor box
coriander seed
cost technique code
crankangle
cycloid system gear
DAC, dac
dealkylase
diamondizes
draggable
dry lubricant
Dyson trees
eisele
embossed metal ornamentation
enhearten
ephelis japonica p.henn.
exception analysis report
false easting
fluoroacrylate cladding fiber
frendor
fuel chamber
Gear method
geometric mean diameter
Georg Simon Ohm
gravylike
half round smooth file
Her Majesty's ship
hypocarpium
input/output device
kipp (gas) generator
Kyrgyzstanis
magazine articles
magnesium complex
magnetic storm field
make up lost ground
Mansalay
master-slave multiprogramming mode
measuring wire
microbedding
narrow pulse
Nautla
Orobanche coelestis
out of interest
paraclius nudus
pick pulse
pivotal port
prii
purpose in doing sth
retraction of intercostal space
return-beam vidicon
saccede
sacramental wine
scrag-end
screening glass
sea painter
sea-lettuce family
sensory speech center
shareholders' fund
sharpened patterson function
skools
skunkweed
slant plane
sonic location method
spyders
steatite porcelain
stone tumor
t-helper
the Isles of Scilly
then-partner
thermal energy range
thermistor nomogram
thunder rod
title deeds for houses
tomling
took the reins
Trypanosoma noctuae
txn
undivulged
water receiver
wedelia biflora biflora
world refernece system