① Ihe nkiri mgbochi ntụgharị.Dịka ọmụmaatụ, igwefoto, ihe nkiri slide, ndị na-eme ihe nkiri, ihe nkiri ihe nkiri, teliskop, enyo anya, na ihe nkiri MgF nke nwere otu oyi akwa nke etinyere na lenses na prisms nke ngwa anya dị iche iche, yana ihe nkiri antireflection nke nwere okpukpu abụọ ma ọ bụ multi-layer brọdband mejupụtara SiOFrO2, AlO. ,...
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