хянах хөдөлгөөнт бутлуурын програм
Mongolia Screen бутлуур 865 tph. 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 …
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