题目内容：
A．to shrink it to the size of a desktop computer and cut the scanning time to 30 seconds
B．to making chips any smaller
C．to take tiny chips we require
D．to picture the progress of the currents
E．converting the information into a color picture showing the density of current at each point
F．faults in the metal strip of a forged banknote or bacteria in a water sample
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答案解析：