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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(71) / 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(71) / 评论(0) 分类 Scientific American(十)月

This week, the British oil company BP issued a controversial report on the cause of the massive oil spill in the Gulf of Mexico four months ago. Regardless of who was at fault, the release of an estimated four million barrels of oil had a major envir

发表于:2019-01-14 / 阅读(31) / 评论(0) 分类 VOA标准英语2010年(九)月

3月5日在京召开的十二届全国人大三次会议开会间隙,著名呼吸道疾病专家,全国人大代表钟南山接受媒体采访。[魏晓昊/中国日报] It might take China a decade to tackle its notorious smog problem, said Zhon

发表于:2019-01-23 / 阅读(82) / 评论(0) 分类 英语新闻

The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in

发表于:2019-02-17 / 阅读(55) / 评论(0) 分类 英语新闻

雾霾 haze; 烟雾 smog; 空气污染指数 air pollution index; 橙色预警 orange alert; 悬浮颗粒物 airborne particulate matter; 可吸入颗粒物 inhalable particle; 有毒物质 toxic substance; 空气质量检测 air quality monitoring; 实

发表于:2019-02-26 / 阅读(67) / 评论(0) 分类 雅思英语
学英语单词
aesthetic expression
agrilus auropictus
alkyd enamel
Allahism
alvermann
ask and you shall receive
atalaya
available line
basic measure
bathyconductorgrahp
Bijolia
biomonomer
birdsit
boosting pump
cathode-pulsed triode oscillator
celebrity gap
chemical behavior
chhieng
cholyglycine
Chrysosplenium carnosum
claim to a specified sum
collecting-place for wood
consistency coefficient
diagraphic
distribution vacuum circuit breaker
efficiency of plating
enshrines
ephorate
erections
estuary dam
extension personnel
fault system usage
for-instance
Fuller-Lehigh mill
fundamental component
graphic dispatching method
Graves, Robert (Ranke)
Great Karroo
half-floor timber
halted processing state
heidemann
histotripsy
honestate
hypertrophic zone
idiopathic hypercholesterolemia
iFCP
inertia couple
infrared ray curing
keep it together
kyanite schist
lakon fai nai (laos)
least worst
Leo V
let sb go
light-grasps
linguica
lynx caracals
main reinforcement
marmilad
mechanism of stress corrosion
mechanosensitivity
middle-out
multiple spline
n-acetyltransferase
noneditorial
opitz classification system
optical-to-electrical converter
optimum humidity
Petit's disease
petite culture
plane bottom hammer
plano-sizing die
process according to buyer's samples
pseudo photographic effect
raptorial leg
reducible flow graph
refined calculation
repledged
rotational bands in collective model
sanidic
scatterings
self START
seven-tracks
shaping by stock removal
shari'atisation
shoe strings
sirrine
smegma of prepuce
soppingly
St-Just
standard system of levels
step-by-step design
syphilology
table shake
targeted toxin
thiefs
tractor air tyre
tripodian
vertical transistor
Viogt effect
yogesh