您要查找的是不是：
- 卫星授时IEEEsatellite time
- 卫星授时satellite time transfer
- 时hour
- 授时time service
- 到时arrival time
- 几时what time; when
- 授精insemination
- 报时give the correct time
- 守时punctual
- 人时man-hour
- 顺时up time; be in luck; on time
- 长时long term
- 时侯time
- 必要时in a pinch
- 限时in limited time
- 过去时past tense
- 嵌入式系统中精确的卫星定位授时与同步。Precise GPS Satellite's Orientation-Timepiece-Sync in Embedded System.
- 车时vehicle-hour
- 时计hour meter
- 省时timesaving
