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国家地理-2008-03-20 Rho Ophiuchi Cloud 璀璨的星云

Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra

发表于:2018-12-05 / 阅读(124) / 评论(0)

国家地理2008年

2006年VOA标准英语-Does North Korea's Taepodong-2 Ballistic Missil

By Andre de Nesnera Washington 06 July 2006 Just a few days ago, North Korea triggered an international furor when it conducted several ballistic missile tests. In this report from Washington, VOA Senior Correspondent Andr de Nesnera looks at whethe

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2006年VOA标准英语（七月）

2007年VOA标准英语-Mideast Quartet Partners Spar over Engaging Syr

By David Gollust State Department 02 February 2007 The international diplomatic Quartet on the Middle East Friday endorsed an upcoming three-way U.S., Palestinian and Israeli meeting aimed at reopening discussion of final-status issues of the peace p

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2007年VOA标准英语（二月）

英语播客EnglishPod 196

A: Ello-hay, Aniel-day eaking-spay, ow-hay ay-may I elp-hay ou-yay B: Ay-hay, Aniel-day, Ulie-jay ere-hay A: Ay-hay, Ulie-jay, ow-hay are ou-yay? B: Actually, I m eeling-fay ite-quay ill otday-tay. A: Im orry-say oo-tay ear-hay, at-they. ut-way is on

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英语听力：自然百科 Rho Ophiuchi Cloud 璀璨的星云

Transcript for Reference Only --chunshan The infrared astronomical satellite, now celebrating its 25th anniversary, gave us the first all sky view of our dusty infrared universe. Floating above the galactic center is the Rho Ophiuchi Cloud, about 400

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自然百科2008年

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adiabatic-efficiency

alternative condition

analytically complete domain

Bard of Avon, the

calculation formula

coefficients for internal conversion

cold reduction department

columnar journal

comprehensive transport

court of judiciary

Cymbopogon iwarancusa

dangling bond band

deck and engine abstract logs

defensive quality

eicosenoic acid

electric bolt heater

epidemiological reconnaissance

European pasqueflower

foreign trade position

gloeosporium citricolum massee

ground-effect machines

hog finishing house

interrogation field

jolt squeeze moulding machine

keep on truckin'

kinetic energy of system

labiomental area

macrosegregation

make things worse

mechanical hazard

mechanics of system

merogamy (meisen-heimer 1921)

nuclear bohr magneton

Pennisetum ruppelii

photo-electron-stabilized-photicon

post-ginning cleaner

ramus of lower jaw

ray transfer matrix

Relationship Between Vessels

rerecorded disc

safety deposit box

San Donato di Ninea

Seven sheets to the wind

sheathed shielded cable

simple markov process

soil redeposition

stream contamination of wind tunnel

streamline operration

toll facilities

tubing centrilizer

variation constant