球形接地电极

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发表于:2018-12-01 / 阅读(93) / 评论(0) 分类 用Mp3背六级单词

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(88) / 评论(0) 分类 Scientific American(十二)月

September Equinox 秋分 We have an equinox because an imaginary plane extending outward from Earth's equator isn't the same as the plane of Earth's orbit around the sun. Learn more about today's equinox -- on Earth and Sky.. JB: This is Earth and Sky

发表于:2018-12-07 / 阅读(92) / 评论(0) 分类 (科普英语)Earth and Sky

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens,found in the mud at Oyster Bay,Virginia,has been discovered to transfer electrons directly onto an electrode

发表于:2018-12-18 / 阅读(60) / 评论(0) 分类 有声杂志阅读

Time for M.I.T.s Clean Energy Prize. The annual competition gives teams of university students a chance to compete for $200,000 to kick-start their new clean energy business. One finalist designed a compression technology for natural gas wells that w

发表于:2019-01-02 / 阅读(265) / 评论(0) 分类 60秒科学

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(72) / 评论(0) 分类 Scientific American(八)月
学英语单词
a tech
ack pressure
aerarium
Augospel
base variety
beam-folding
Black Bart
Bluetooth Low Energy
bolometric amplitude
bolshoy kokovichi
Bothriocephalus linguloides
Bridlicna
cacajao rubicundus
Carapelle, Torrente
carbon period
carburetor manifold spacer
cardiogenic mesoderm
cavernous sculpture
collapse strength
cooling fluid
creamed prawns soup
cutterhead cross feed slide
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deoxyribonucleic acid ligase
dewily
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dual spoll van
effective case depth
El Campo
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extra-hard steel
gear drive equipment
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global control line
glucobrassicin
golah
gorham
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guenin
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hegge
hlavac
hyperchromic anaemia
Iki Iki
inkfish-bone carving
kimmen
laser-EDP setup
light-weight variable-depth towed sonar
Lollerdy
lower middle peasant
marketing company
Meyer's organs
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oil content
orophyte
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tariff in force
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tool-use
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