Kedu ihe kpatara attenuation nke ngwa anya emep uta eri?
Ihe ndị bụ isi na-eme ka attenuation fiber bụ: ihe dị n'ime, na-ehulata, extrusion, adịghị ọcha, enweghị ọdịdị na njikọ. 1. Intrinsic: Ọ bụ mfu nke eriri, gụnyere: ịgbasa Rayleigh, absorption ...
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