| 1. | This is the basis for the well-known cesium clock, presently the standard of frequency and time .
这就是众所周知的铯原子钟的基础，它是目前的频率和时间基准。 |
| 2. | The hko has been providing a time service since its establishment in 1883
一九八年开始以铯原子钟提供香港标准时间。 |
| 3. | The hong kong time standard is maintained with a caesium beam atomic clock kept in the observatory
：天文台的铯原子钟是用来订定本港的时间标准。 |
| 4. | The hong kong time standard is maintained with a caesium beam atomic clock kept in the observatory
：天文台的铯原子钟是用来订定本港的时间标准。 |
| 5. | The public can synchronize , through the internet , the clocks on their personal computers with the observatory s atomic clock
市民可透过互联网，以天文台的铯原子钟为依据，较准私人电脑的时钟。 |
| 6. | The public can synchronize , through the internet , the clocks on their personal computers with the observatory s atomic clock
市民可透过互联网，以天文台的铯原子钟为依据，较准私人电脑的时钟。 |
| 7. | The hong kong observatory ( hko ) uses a caesium beam atomic clock to maintain the hong kong standard time , which is the official time of hong kong
香港天文台铯原子钟提供的香港标准时间，是香港的法定时间标准。市民可以透过互联网使用天文台网络时间服务，把电脑时钟对准香港标准时间( |
| 8. | Maintaining a caesium beam clock as the hong kong time standard and providing time signals for radio broadcasts , automatic telephone answering service and synchronisation of clocks via internet
操控铯原子钟作为香港的时间标准，以及透过各电台自动答覆电话查询服务及互联网校对时钟服务提供报时讯号 |
| 9. | Maintaining a caesium beam clock as the hong kong time standard and providing time signals for radio broadcasts , automatic telephone answering service and synchronization of clocks via internet
操控铯原子钟作为香港的时间标准，以及透过各电台、自动答覆电话查询服务及互联网校对时钟服务提供报时讯号； |
