=Cathode-Ray Oscillograph [Oscilloscope] 阴极射线示波器

[ noun ]
electronic equipment that provides visual images of varying electrical quantities
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CRO \CRO\ n. (Electronics)
acronym for {cathode-ray oscilloscope}, an electronic device
which provides visual images of varying electrical
quantities. See {oscilloscope}.

Syn: oscilloscope, scope, cathode-ray oscilloscope.
[WordNet 1.5]