准谐波系统

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(204) / 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(200) / 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(185) / 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(297) / 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(188) / 评论(0) 分类 VOA标准英语2010年(六)月
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adenopoda
afflicters
air recirculation
air-driven hydraulic jack
analog input module
antilanguage
argie bargie
aromatic carboxylic acids ester liquid crystals
back blade
Bantadjé
bearance
bel(b)
Belait
beyond ... vision
binary silica optical fibre
built-up hob
Casparian dot s
cell adhesion molecules
CNSWTG
counterquestion
coupon tax
cut-and-fill structure
dibutyryl cyclic adenosine monophosphate
diminish
doubled double string
duckfucker
electrotherapist
episio
episodic movement
fiborinogen
fibre active connector
filho
free programmable word processing equipment
fumigation certificate
glowless
groutings
Horcasitas
huperzia squarrosa
hydroperoxidase(Theorell)
hyperbolic flow equation
igneously
ixodes spinipalpiss
Juilly
juvenile rift
Kolga-Jaani
kwh
kypes
light-section microscope
lithoautotroph
m-g main component
magniloquency
manam
media impression
methyl orange test paper
minimainframe
moisture free basis
myotome
niladic
non-sensitizing
nylon coating
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OS/2
outer pericycle
oxcarts
pass someone by
Pedicularis megalochila
pending page queue
penobscot b.
Petromyzontidae
phyllosticta ambrosiodis thuman
pnl.
point of symmetry
powdered anthracite
power shot
prethink
procacity
ring-shaped valve seats
Romannobridge
salary administration
Saprosma henryi
senile hemangioma
sentry-duties
sequential decision function
short-circuits
steelit (altered mordenite)
strongylium albopilosum
submicrotubule
telolecithal egg
thalictrum squarrosum steph.
the bermuda triangle
tiddling
transmission loss of leaky coaxial cable
Tussaphed
twice-daily
unmask false evidence
vacuum leak
Viburnum burmanicum
Vinh Tan
Westphalians
wheel drill
Windows window
wonkery