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| 文檔標題： | TETRA Standard |
| 發布時間： | 2012-09-05 21:13:25 |
| 文檔簡介： | TETRA is an open standard developed by the European Telecommunications Standards Institute (ETSI). The main purpose of the TETRA standard was to define a series of open interfaces, as well as services and facilities, in sufficient detail t |
