2 หนังสืออิเล็กทรอนิกส์โดย Committee on Scientific Use of the Radio Spectrum
Board on Physics and Astronomy & Committee on Radio Frequencies: Spectrum Management for Science in the 21st Century
Radio observations of the cosmos are gathered by geoscientists using complex earth-orbiting satellites and ground-based equipment, and by radio astronomers using large ground-based radio telescopes. …
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€51.49
Board on Physics and Astronomy & Committee on Radio Frequencies: Spectrum Management for Science in the 21st Century
Radio observations of the cosmos are gathered by geoscientists using complex earth-orbiting satellites and ground-based equipment, and by radio astronomers using large ground-based radio telescopes. …
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อังกฤษ
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€89.89
