| 单词 | digitron |
| 释义 | digitron An electronic gas-discharge tube that provides a digital display in calculators, counters, etc. It usually has 10 cold cathodes shaped into the form of the digits 0–9. The cathode selected receives a voltage pulse causing a glow discharge to illuminate the digit. It has now largely been superseded by light-emitting diodes and liquid-crystal displays |
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