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单词 surface analyzer
释义 surface analyzer
[`sǝr·fǝs ´an·ǝ´līz·ǝr]
ENGINEERING
An instrument that measures or records irregularities in a surface by moving the stylus of a crystal pickup or similar device over the surface, amplifying the resulting voltage, and feeding the output voltage to an indicator or recorder that shows the surface irregularities magnified as much as 50,000 times.
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