此项频移误差是决定铯原子喷泉频标准确度总体水平的主要因素之一。
This uncertainty is one of the critical factors governing the accuracy level of the cesium fountain frequency standard.
吉布解释：「在最好的铯原子喷泉钟内，最大的误差来源是所谓的冷碰撞。」
"In the best cesium fountains the largest source of error are so-called cold collisions , " Gibble explained .
还对研制的微波谐振腔进行了测试，结果表明微波谐振腔的性能满足激光冷却铷原子喷泉钟的要求。
Finally, the microwave cavity developed was tested and the test results indicated that the performance of microwave cavity met the requirements for laser-cooled Rb fountain clock.
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