шинэ орчин үеийн суурин бутлуурын эрүү
Конусан бутлуурын гаралт 150T H. Charles H. Townes Wikipedia. Charles Hard Townes (July 28, 1915 - January 27, 2015) was an American physicist and inventor of the maser.Townes worked on the theory and appliion of the maser, for which he obtained the fundamental patent, and other work in quantum electronics associated with both maser and laser devices.
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