同位素反应性系数

wretched incidence broaden trader coefficient ass forthcoming loom elapse imperative reckless coupon conversion lily scorch soften conception abide attendance chunk craft count shorthand villa blond intellect

发表于:2018-12-01 / 阅读(312) / 评论(0) 分类 用Mp3背六级单词

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths crust is old. Billions of years old. So old that its nearly impossible to imagine. And now scientists have discovered what may be the oldest

发表于:2018-12-24 / 阅读(186) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 Scientific American(一)月

What does an 800-pound gorilla eat? If you said: anything it wants, youre not thinking like a scientist. A scientist would say, Let me analyze the isotopic composition of its excreta and Ill get back to you. Because a new study shows that the ratio o

发表于:2019-01-08 / 阅读(162) / 评论(0) 分类 Scientific American(十二)月

3.基尼系数 Gini coefficien 国家统计局局长马建堂首次披露过去10年全国居民基尼系数的变化后,北京也将适时公布本地区的基尼系数。 Beijing will release its own Gini coefficient for 2012, a National Bureau o

发表于:2019-01-08 / 阅读(208) / 评论(0) 分类 英语笔译

Scientists Closer to Solving Plain of Jars Mystery A new group of human remains has been uncovered on the Plain of Jars in Laos. They are believed to date back to the Iron Age, some 2,500 years ago. The Plain of Jars is in the central Lao province of

发表于:2019-01-12 / 阅读(150) / 评论(0) 分类 2016年VOA慢速英语(三)月

Compston's machine allowed such rocks to be dated with unparalleled precision. 康普斯森的仪器能以无与伦比的精确度测定这些岩石的年代。 The prototype SHRIMP was built and machined in the Earth Science department's own worksho

发表于:2019-02-17 / 阅读(169) / 评论(0) 分类 万物简史
学英语单词
a grub
accounts payable supplies
adaptive user interface
aerophil
Alanggantang, Pulau
amplifier system
arachnophagous
artificial lighting transition
b-47s
barehand
bay-head bar
British royal mint
calfin
calliotropis conchologyi
chagrining
check nonstop flight
chlanidote repens okam.
clavus candens
colede
cool-looking
cowan l.
debounce circuit
designing reliable software
digital systems
direct sounder
dual-purpose hen
duodenal white spot syndrome
dupatta
dust collecter
encephalalgia
estellation
eugnostic
fission radiochemistry
floating buffer
forward method
general-purpose computing system
genus phoenicophoriums
global optimizatiing theory
grosser
gyste
hang on sb's every word
hard-chine
Hemsleya zhejiangensis
Henderson's tests
hippologist
icta
impuestos
inquisitor taivaricosa
isomaltitol
joint computer conference
Kilninian
leadership prototype
lepinotus inquilinus
lipilli
magnetic tape module
malke
maxillary process of embryo
McCormick County
medusoids
Merrillville
microbarm
monochromatic neutron beam
Morenci
motorcicle
neck-gable
no operation
OL (overlap)
one's last breath
oscillator board
pentagon nut
planosolic
polychromatophil cell
poorly paid
popj
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pyelofluoroscopy
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roentgenometerX
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Stavisky affair
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the devonian
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