| 1. | Recently , laser frequency standards have developed rapidly
近年来，激光频标得到了迅速发展。 |
| 2. | Verification regulation of frequency comparator
频标比对器检定规程 |
| 3. | Microwave - power frequency shift in optically pumped 87rb cell frequency standard
频标中的微波功率频移 |
| 4. | Has become an important base for atomic frequency standard research
已成为我国原子频标研究的重要基地。 |
| 5. | Reliability enhancement test of the space - borne rubidium atomic frequency standard
星载铷原子频标的可靠性强化试验 |
| 6. | Frequency resolution displayed
频标解析度 |
| 7. | Atomic frequency standard
原子频标 |
| 8. | The method of assess uncertainty in measurement frequency based on frequency compare method
基于频标比对法测量频率的不确定度评定方法 |
| 9. | Both models include a 4digit numeric led readout that can selectively display either the center or marker frequency
读数，既可以选择显示中心频率也可以显示频标频率。 |
| 10. | In late 1970 s , rubidium atomic frequency standards for ship navigation were developed , and in 1990 s a new revised was made
上世纪七十年代末，研制出船舶导航用铷原子频标，并在九十年代末研制出换代产品。 |
