telegraph signal

基本解釋

Telegraph and Data Signal Analyzer?
電報與數(shù)據(jù)信號分析器 TDSA?。
Within a decade, people began actually marking OK on documents and using OK on the telegraph to signal that all was well.
在10年內(nèi)，人們開始真正把OK寫入文件，并且在電報用OK表示一切平安。
A change from one significant condition to another in a telegraph or a data signal.
電報信號的那些判定所導(dǎo)致的一些狀態(tài)。