椭圆柱坐标

by Jason Marshall Theres been a lot of talk about 2D versus 3D in the television and movie industries lately. But what exactly does one, two, and three-dimensionality really meanboth in the everyday world and in math? Well, prepare to have your curio

发表于:2018-12-07 / 阅读(39) / 评论(0) 分类 数学英语

76 years after Pluto's discovery and after 17 years of research and development, Nasa's new Horizon Spacecraft sets out for Pluto. Travelling at around a million miles a day, it's on a 9-year, 700-million-dollar journey to reach Pluto and review its

发表于:2018-12-27 / 阅读(653) / 评论(0) 分类 探索与发现2015年

我们今天学的词是:planet。Planet是行星。不过你听说了吗,太阳系中排行第九的行星冥王星Pluto被降级了。Astronomers' reclassification strips ninth planet of status in solar system. 国际天文学会对行星重新定

发表于:2018-12-30 / 阅读(57) / 评论(0) 分类 英语每日一词

NB: This is not a word for word transcript Yvonne: Hello, I'm Yvonne Archer, this is 6 Minute English and thanks to Alice for joining me today. Alice: Hi Yvonne. Yvonne: Hello Alice. Now recently, an artefact - a very old piece of art - which many hi

发表于:2019-01-07 / 阅读(74) / 评论(0) 分类 六分钟英语

New Texas Institute Coordinates Space Medicine Research Since the human space flight adventure began more than 50 years ago, scientists have learned a lot about things like the effects of weightlessness on bones and muscles, and the danger of increas

发表于:2019-01-13 / 阅读(60) / 评论(0) 分类 VOA标准英语2012年(四月)

我们今天学的词是:planet。Planet是行星。不过你听说了吗,太阳系中排行第九的行星冥王星Pluto被降级了。Astronomers' reclassification strips ninth planet of status in solar system. 国际天文学会对行星重新定

发表于:2019-02-24 / 阅读(105) / 评论(0) 分类 学个词
学英语单词
a straight face
after scouring
amphiasters
and blue
apriorientropy
ates
average distance of freight carried
behind the 8-ball
bright as as moon day
carbon coated implant
chay roots
chicken burger
chickenshits
chloranilate
climate chamber
combustion curve
contact-modulated amplifier
convective heat exchange
corixid
counterinsurgencies
cubooctahedron
cylinder-type cutter
da'wah
detection agent
DILUAT
Earthgirl
embarkation unit
ergusia
fallots
fixed coil
flow control line
Gamow-Teller rule
genus Hibiscus
gland seal condenser
grand phase of growth
gtsi
Harry The Minstrel
have sb. in one's power
Hockweiler
idle bar
index thermometer
iron mould
jarless
Kirschroth
Lagorchestes
lamprocoris formosanus
Las Avispas
law of the flag
length of data-directed transmission field
limitational factor
line mark
low pressure boiler
lvrd
Mann R.
mathematicised
mechanical operated arm
neuropterids
ordinary differential equations
peak span
pedal arm
polyolefin acid
portal cirrhosis
Porto Rafti
post-exilian
postethical
postscapular
pre-conscious
prioritized bus control
profile of a surface
pulse magnitude jitter
ribocitrin
right-hand channel
sandhills
schwas
senadores
shell passer
sickle cell-thalassemia disease
skelter
skin eliminator
slight injury
sodium sulfate decahydrate, sodium sulfate crystals
software protection
solar heating rate
sound deafening capacity
speckled rattlesnake
starchy vegetables
stoneham
suffixing
sulfited oil
systematic unit
tape indexing
Thebans
tricot spreader
Tropic of Capricorn
tube support plate
underly
venkataraman
walsh-nut
war game
xenotite
YMCAs