single frequency signalling 中文意思是什麼
single frequency signalling
解釋
單頻信令- single : adj 1 僅只一個的,單獨的;單式的;【植物;植物學】(花等)單瓣的;【無線電】單工的,單次的。2 獨...
- frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
- signalling : 傳遞信息
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Specification for simple telex terminals using single channel voice frequency signalling for connection to british telecommunications telex network
聯接于英國電信電傳網路的單頻道音頻信號用簡易電傳終端規范 -
The test methods for the technical specifications of inband pulsing single frequency line signalling system for automatic telephone switching network
電話自動交換網帶內單頻脈沖線路信號技術指標測試方法 -
Single frequency signalling
單頻信令
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