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主页 > 词条 > 塞尔维亚克罗地亚语 (SH) > herc (Hz)
herc (Hz)
The name given to the basic measure of radio frequency characteristics. An electromagnetic wave completes a full oscillation from its positive to its negative pole and back again in what is known as a cycle. A single Hertz is thus equal to one cycle per second.
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Deltiologija se odnosi na prikupljanje i proučavanje razglednica, obično kao hobi.