[太阳]黑子周期性, 太阳黑子, 太阳黑子周期性, 太阳黑子(日斑周期)

And after a while a pattern emerged. 久而久之,人们就归纳出一个模式 If you observe sun spots over several years, 若连续观察太阳黑子好几年 they come and go with an about an eleven year cycle. 会发现它们约每隔11年会周

发表于:2018-12-07 / 阅读(155) / 评论(0) 分类 太阳科普

Sunspots 太阳黑子 Is every part of the sun equally hot? 太阳的各个部分都一样热吗? No, they aren't. Some parts are colder than other parts. 不是的。有些地方比其他地方冷。 How do we know that fact? 我们是如何知道这

发表于:2019-01-10 / 阅读(142) / 评论(0) 分类 与美国小学生一起学英文第10册

By David McAlary Washington 07 March 2006 NCAR scientists Mausumi Dikpati (left), Peter Gilman, and Giuliana de Toma examine results from a new computer model of solar dynamics Researchers predict tha

发表于:2019-02-04 / 阅读(120) / 评论(0) 分类 2006年VOA标准英语(三月)

16. UPBRAlD : REPROACH :: (A) dote : like (B) lal: : stray (C) vex : please (D) earn : desire (E) recast : explain Directions: Each passage in this group is followed by questions based on its content.

发表于:2019-02-21 / 阅读(219) / 评论(0) 分类 实用英语
学英语单词
Adenese
alarm bolt cover
all-carbon
ALYSON
ametrine
anastate
antik
APDEX
atom-powered sub-marine
autostereogram
azimuth rotating joint
Baal Shem-Tov
beraprost
beroko
broadcast television systems committee
burst information rate
camera-original
cash versus documents
chamber effect
common opsonin
core-fundings
counter amplifier
debiss
drop in price
Drude, Paul
earthquake safety
electron-beam process
Euboic
expugner
floating-point array processor
front cut combine
genus Anthyllis
genus Tichodroma
hammer slag
hard-disk interface
harmlessly
harzfeld
heavy-weight drilling fluid
heeling moment
hoist piston rod head block
homolodromiid
inattention
insetion sequence
international time signals
ISS (Industry Standard Specifications)
laiu wire rope
lateral slide mo(u)ld
leg room
mass morphology
material requisition summary
middle-managers
money demand
multiplier (multiplying) electrode
Murii-dake
N-acetylphenylalanine
nausea gravidarum
nested interval property
oblyrate
outcropped
pan filter
Pat and Mike
physical circuit
pneutronic meter
precision bolt
predeterminism
random access storage
recurrent parent
residual chlorine analyser
resifts
resistance-stabilized oscillator
rhinitis spastica vasomotoria
RJ-45
safety traffic
salviatis
savine oil
secondary reference standard material
shaping roll
Shimeon
side compression
sound pattern
Sphyrapicus
static cell memory
stiarne
stogging
subeffect
supply interruption costs
Tagus
Tan Ha
tape looseing
threw up my hands in horror
tidal harmonic analysis
timas
total dynamic error
transudations
TV transposer
unchoke
uniflow condenser
unselects
uranium phosphide
vaguely
vesiculobronchial
wing man