... infrared detector 红外侦测器 infrared digital data 红外数据资料 infrared Doppler system 红外都卜勒系统 ...
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It was not until the 1950s that scientists had both good data on the absorption of infrared radiation, and digital computers that could speed through the multitudinous calculations.
直到20世纪50年代，科学家才获得了红外辐射的可靠数据，并有了计算机可以帮助进行海量的计算。
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