| 单词 | indicator |
| 释义 | indicator [`in·dǝ´kād·ǝr] CHEMISTRY See <<chemical indicator>> COMPUTER SCIENCE A device announcing an error or failure. ELECTRONICS A cathode-ray tube or other device that presents information transmitted or relayed from some other source, as from a radar receiver. ENGINEERING An instrument for obtaining a diagram of the pressure-volume changes in a running positive-displacement engine, compressor, or pump cylinder during the working cycle. MATHEMATICS See <<Euler's phi function>> |
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