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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

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(72) / 评论(0) 分类 Scientific American(十)月

FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today, we will tell you everything you wanted to know about snow. (MUSIC) FAITH LAPIDUS: Winter has returned to northern parts of t

发表于:2019-01-11 / 阅读(33) / 评论(0) 分类 2011年VOA慢速英语(一)月

An online guide to snow and other ice phenomena Art Chimes | Washington, DC 18 December 2009 Photo: SnowCrystals.com Time again for our Website of the Week, when we showcase interesting and innovative online destinations. For those of us in the north

发表于:2019-01-13 / 阅读(61) / 评论(0) 分类 VOA标准英语2009年(十二月)

SCIENCE IN THE NEWS - Winter Cold: Everything You Ever Wanted to Know About SnowBy George Grow Broadcast: Tuesday, January 10, 2006 (MUSIC) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob D

发表于:2019-01-16 / 阅读(83) / 评论(0) 分类 2006年慢速英语(一)月

Chemistry on an experiment called the crystal. First the formation of chemical substances dissolved in water solution, solution Sheng Yu evaporating dish, the evaporating dish placed in steel tripod, the following alcohol lamp heating, control-relate

发表于:2019-02-21 / 阅读(40) / 评论(0) 分类 英语美文
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Achilles tendon reflex
Adiāla
air core coil
Allegheny Mountains
ammonium chromium(iii) sulfate
anterodistal
arrive at the truth
atomized
batch truck
biliary ductuli
Birkland current
bootlegged
branchial cleft
breeder's bag
brouhaha
burnisher proof
chronometric observatory
class E amplifier
cleavage coefficient
commission contract
concerned about
concrete foundation block
contractive linear operator
couping
curvilinear guideway
decision ladder
detents
dicysteines
die box
dry soil samples
earthy gypsum
ecdemonosus
eliminativistic
exclusive of
F-Cortef
fixed-function generator
flippen
fluidizaton
fly-up-the-creek
folding fan with bone rib
fours-by-fours
French Congo
generalized linear inversion
Ghazāl, 'Ayn al
gonadarche
goose neck pipe
group delay correction
half scale
harbo(u)r storage system
hemispherical spectral absorptivity
huaraco
hypermutant
ice colur
ideal of a Lie algebra
induced delusion
induction type frequency meter
infraoesophageal
Issyk Kul
italicize
lateral atlanto-occipital ligament
lethal factor
ligamenta talotibiale posterius
liquefaction of coal
lumbar arterys
maculae sacculi
maize billbug
make a scruting into sth.
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malagodi
matched die molding
Merkel's ganglion
model class
money manager
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oria
oversize piston ring
paravents
peptidoliposome
peso ley
posterior orbit
refs.
saiffe
saw-tooth function
scapular dislocation
scroll guard
Sominat
spin flop
spit ... out
steam blanketing (steam blinding)
sturt
suppressin
tetraethyltin
torive
tridodecylamine(TDA)
two-color thermometry
undertouristed
uniform annual series
wave beam angle
weighted in points method
wiring plate
wrap reel