单词:surface state of electron
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This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin
Three Scientists Win Nobel Prize in Chemistry Three scientists have won the Nobel Prize for chemistry for their work to simplify and improve the imaging of biomolecules. 三位科学家因为在简化和改善生物分子成像方面的成就获得了诺
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16.The early railroads were........the existing arteries of transportation: roads,turnpikes, canals,and other waterways. A.those short lines connected B.short lines that connected C.connected by short lines D.short connecting lines 答对率:50% 答案