频率时间标准

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

发表于:2018-12-07 / 阅读(72) / 评论(0) 分类 数学英语

So I became very err.... captivated by computer. 我完全给计算机迷住了 And a computer to me was still a little mysterious 当然计算机对我而言仍然有些神秘 cause it's at the other end of wire,I had never really seen the actual co

发表于:2018-12-27 / 阅读(24) / 评论(0) 分类 名人传记

Three radio stations in the United States mainly broadcast one thing: the official time. The three are radio stations WWV and WWVB, in the state of Colorado, and WWVH, on the island of Kauai in Hawaii. They send out signals that are used by millions

发表于:2019-01-03 / 阅读(53) / 评论(0) 分类 2018年VOA慢速英语(九)月

Economics Report - How Gold Became the Gold Standard for Trade 经济报道 - 黄金是如何成为贸易金本位的? This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 The best example of something

发表于:2019-01-12 / 阅读(63) / 评论(0) 分类 2012年VOA慢速英语(四)月

Well, I was born with a rare visual condition called achromatopsia, which is total color blindness, 我出生在一个色彩极少的世界,世界只有明暗之分,这叫做全色盲 so I've never seen color, 所以我不知道什么是颜色, a

发表于:2019-01-18 / 阅读(50) / 评论(0) 分类 TED演讲国际问题篇

Disappearing words 消失的文字 Kate: Hello, I'm Kate Colin and this is '6 Minute English' - and thanks to Jackie Dalton for joining me today. Good Morrow Jackie! Jackie: Ehpardon? Kate: Good Morrow! I beseech thee, whence comest thou? Jackie: ErmmKat

发表于:2019-02-06 / 阅读(42) / 评论(0) 分类 六分钟英语
学英语单词
A.M.I.
AHF
alignement chart
alonzoes
ALprazolanic
amerindic
An Thai
articular rete of knee
aspicularis tetraptera
automotive technologies
beat yourself up
bed-hops
bedding roll
benzenyl amidoxime
blank hole
bottom punch
box waltz
broggled
brok
bromoacetaldehyde
carburations
chemical conversion
chronic myocarditis
congnate xenolith
creativeness
DEPLOC
diethy-aceto oxalate
dipyramidal
eia-485
eildons
elastic for-effect
electronic control unit
electronic-tuning non-linearity-factor
emergency case
evan
events-per-unit-time meter
extraduty glaze
FADM,F.Adm,
fall a sacrifice to
fifth grade
financial book
frog movable point
genus Phalanger
gold coasts
Google that
halichoeres trimaculatus
HCRF
homesteaded
hose mender
hydroseed
hypothalamo-neurohypophyseal system
infantile dementia
inflexions
insulation to falls
interdashes
kenworth
lawmer
leading edge effect
letters to the editor
matched conic method
maximum effective aperture
measured lubrication
media-shift
mid-skill
mine hunting boat
morphings
multiterminal configuration
nrss
order of ordinary differential
parasympathetic center
phytochorology
Pound of Butter
proceleusmatics
pulling wire
quadric equation in two variables
quality part
quartzy sandstone
RC2
research and practice
ribalinium
Ropaži
sea-spout
seclusio
second category
sedimentation reservoir
sidelobe weighting
Skis Thursday
stabilization system test
stipellate
styr
susceptive
thermal conductor
thermal neutron log
time rate of change
ultra high frequency power signal generator
ultra red
ultrasonic depth finder
vascular skeleton
voicelessness
westerberg
Wilson, Edmund
Yatta