James Allerton is an air quality scientist at Britain's National Physical Laboratory.

詹姆斯·艾勒顿是英国国家物理实验室的空气质量科学家。

Yes, I asked you how many years it would take, approximately, for the UK's National Physical Laboratory's atomic clock to lose or gain a second.

是的，我之前问你英国国家物理实验室里的原子钟大约要多久才会走快或走慢一秒。

Yes, I asked you how many years it would take, approximately, for the UK's National Physical Laboratory's atomic clock to lose or gain a second?

是的，我问你，英国国家物理实验室的原子钟大约需要多少年才能慢一秒或快一秒？

Robert Simpson is a researcher with the National Physical Laboratory near London.

罗伯特·辛普森 (Robert Simpson) 是伦敦附近国家物理实验室的研究员。

Ian Robinson is an engineering specialist at Britain's National Physical Laboratory.

伊恩·罗宾逊 (Ian Robinson) 是英国国家物理实验室的工程专家。

Well in 2011, researchers said that an atomic clock at the UK's National Physical Laboratory would have the best long-term accuracy of any in the world.

2011年，研究人员称，英国国家物理实验室的原子钟具有世界上最佳的长期精度。