准谐波振荡

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(163) / 评论(0) 分类 数学英语

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Why do some chords sound sweet but others make you wince? Well it appears our earsor at least the ears of 250 Minnesota undergradsprefer chords containing harm

发表于:2018-12-24 / 阅读(161) / 评论(0) 分类 Scientific American(五)月

Students who listened to different chords rated as more pleasing the ones that westerners think of as harmonious, the individual notes of which have definite mathematical relationships 【英文文本】 Why do some chords sound sweet but others make

发表于:2019-01-02 / 阅读(151) / 评论(0) 分类 60秒科学

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

Vocalist Catherine Russell is always searching for that next great melody. She's found more than a dozen of them to sing on her latest album, Inside This Heart Of Mine. Catherine Russell is a perfectionist when it comes to choosing her material. Her

发表于:2019-02-06 / 阅读(154) / 评论(0) 分类 VOA标准英语2010年(六)月
学英语单词
17-Hydroxypregnenolone
A category
a code of conduct
aby
accomodation heating
agritourist
AGWI
air-duct
antemedian
aosa
assembly line control
atemoyas
bertrille
billet shear
booster alternator
braking action advisory
Chovwe
clamping circuitry
contradictively
corner insulator
Cumul
deleterious gene
desensitization techniques
distribution on selling price
diviners
dorcus yamadai
drums lids missing
dry prefabricated construction
duans
Econopower
epistatic deviation
family electrophoridaes
favart
fluphenazines
forenoon watch
gastube
geology of the Mercury
germanium dioxide (geo2)
gordonite
graphiola phoenicis (mougeot)poirtean
H.T.H.
hinder margin
Hippolytia tomentosa
hysteric gangrene
indirect wave
injection density
interlocutrix
Japetus
johnny cakes
kahalalide
kiribati dollars
Kramsk
layse
learn sth by memory
lepidorhombus boscii
Lien Chau
materialities
Methrazone
milioite
minus pancreas
mount guard over
munitioneer
Muslimian
nephroma tropicum mixtoides
nupercainal
obtuseness
open-face
origin of coordinates
over-qualify
overhead frame plow
pad kick
perths
poignet
power weight ratio
pressure-plate anemometer
printer-sharing environment
productivity trend
programing manager
randomities
rear-ward
removable draw bar
Ruad I.
shellstructure
short linearity controller
slate type conveyer
sonneted
soraya
spheric seating nut
split-range control
strike tree
switch gear room
tank top plate
Thiberville
thyrolysin
Tibeto-Burman language
under the gun
underwriter's tabulation
unmatched-s-gene
waverider
Woodward-Hoffmann's rule
WUCOGS
xenografting