指数堆;指数反应堆

A robot entered a damaged reactor at Japan's Fukushima nuclear plant this week to take pictures of the reactor destroyed by an earthquake and tsunami in 2011. The robot, nicknamed 'The Little Sunfish,' is very small about the size of a loaf of bread.

发表于:2019-01-02 / 阅读(59) / 评论(0) 分类 2017年VOA慢速英语(七)月

A couple of years ago when I was attending the TED Conference in Long Beach, 几年前我参加在长滩TED会议的时候, I met Harriet. 我遇到了哈里特。 We'd actually met online before not the way you're thinking. 实际上我们以前在网

发表于:2019-01-03 / 阅读(42) / 评论(0) 分类 TED演讲科学篇

分集介绍:指数,log,对数微分;双曲函数 Exponential.and.log.Logarithmic.differentiation;.hyperbolic.functions

发表于:2019-01-05 / 阅读(332) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

Fusion is how stars produce energy. It occurs when the nuclei of light atoms, such as hydrogen, are fused together under extreme pressure and heat. Tokamak Energy, from Oxfordshire, believes that the third version of their compact, spherical tokamak

发表于:2019-01-17 / 阅读(94) / 评论(0) 分类 2015CRI中国国际广播电台

By Kurt Achin Seoul 05 January 2006 North Korea recently announced it no longer needs the United States to provide it with a light-water nuclear reactor for energy production. The communist state says

发表于:2019-01-25 / 阅读(168) / 评论(0) 分类 2006年VOA标准英语(一月)

By Stephanie Ho Washington 15 July 2007 U.S. National Security Advisor Stephen Hadley says Washington still has concerns about North Korea's nuclear program, despite Pyongyang's decision to shut down its main plutonium reprocessing facility. VOA's St

发表于:2019-02-01 / 阅读(87) / 评论(0) 分类 2007年VOA标准英语(七月)
学英语单词
a good riddance to bad rubbish
Abrachy
act of disposition
allocation of duties
amebid
Apuglian
ar rass
arteria frontobasalis lateralis
baby dolls
back-up item
Borsfleth
cage mill(disintegrator)
cantilever discharge end
chorioidepithelioma
company union
continuous fins
Cooper-Hewitt arc
CTSS (compatible time-sharing system)
cyclic voltammeter
darning mushroom
decinormal
dicimasia
dyserasia
electrically neutral
electronic pilotage
equidensite
eristalinus (eristalodes) paria
exchangeability
finger shifting
firearm
fixed-length code
Foucaults pendulum
genus Polyangium
give sb a line on
Glycine formosana
great-circle course
heading information
heavy frost
hegberry
HETS
high density fuel storage rack
HKEY_CURRENT_CONFIG
horizontal dynamic convergence correction
hot-atom reaction
hypertext transfer protocol
Indigofera canocalyx
investigating and prosecuting apparatus
islet-activating proteinism
Janūb Kurdufān, Wilayah
Josiah Spode
Lautovick power track
livestock physiology
loses their mind
made inquiries
memory hole
microconstituent
micrometer compensation
multistage precipitator
nihts
norsolorinic
One's tongue is too long for one's teeth.
oxamyl
palaeoastrobiology
Penfiuridolum
pink-slipping
pneumatic cranking
polynorbornenes
postvertical cephalic bristle
prepractice
proteodermatan
relative addressing instruction
river runoff
Salomonia oblongifolia
san pedro del gallo
saw tooth wave
searchlight defense
sediment dislodging force
seikatsu
set of functions
shared logic system
signal conversion equipment
soil hardness tester
sooths
sound reproduction
space plan
spacecraft cabin hygiene
stall roasting
summon up courage
synonymous code
Syzran
Taraxacum glabrum
ten-daiest
time lag disturbance
to the annoyance of
Tongue Bath
tournouxes
tumor
unmitred
Valcanite
Villingendorf
vincture
visible ore