英语词汇“travelling class mark”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	travelling class mark
释义	travelling class mark 当一次呼叫通过网络时，对其进行识别的一种特定的标号，例如，对投币电话中发出的呼叫的识别。虽然目前还没有使用行进分类标记，将来可能与同轴电缆信息系统CCIS一道使用。这样，在几个不同的通信网络中就可以使用同一个传输设备，只要给每个通信网络分配一个传输分类标记即可。
随便看	extraction steam pipe line extraction steam pressure extraction steam pressure loss extraction steam regulation extraction steam system extraction steam turbine extraction-step Extractions,Tooth extraction stop and nonreturn valve extraction stop and non return valve extraction stop and non-return valve extraction stop valve Extraction summarization Extraction,Supercritical Fluid extraction suppresion extraction suppression extraction system extraction tank extraction techinique extraction technics Extraction technique Extraction techniques extraction technological extraction technologies extraction technology