① Filimi e khahlanong le maikutlo.Mohlala, lik'hamera, liprojeke tsa li-slide, liprojeke, li-projeke tsa libaesekopo, libonela-hōle, likhalase tsa mahlo, le lifilimi tsa MgF tsa lesela le le leng tse koahetsoeng ka lilense le li-prism tsa lisebelisoa tse fapaneng tsa optical, le lifilimi tse thibelang ponahalo ea li-multi-layer kapa tse ngata tse entsoeng ka SiOFrO2, AlO. ,...
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