他们将非常稳定、准确的原子钟装在定期飞行的喷气式班机上。
They placed very stable and accurate atomic clocks on regularly scheduled jet airliners.
原彗星喷气式航空班机的方形窗被发现是其碎裂的主要原因。
The square Windows on the original Comet jetliner were found to be the primary cause of its disintegration.
原彗星喷气式航空班机的方形窗被发现是其碎裂的主要原因。
The square Windows on the original Comet jetliner were found to be the primary cause of its disintegration.
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