synchronous signal的用法和樣例：
例句
- A synchronization signal is transmitted over the powerline network.
一個(gè)同步信號在電力線(xiàn)網(wǎng)絡(luò )上傳輸。 - A set of consecutive digit time slots in which the position of each digit time slot can be identified by reference to a frame alignment signal.
一組連續的數字時(shí)間片段，每一數字時(shí)間片段在組內的位置可參考幀同步信號來(lái)標識。
