dsf

listen to the pronunciation of dsf
الإنجليزية - الإنجليزية
dark special filter, amber 16% transmission, used outdoors in full sun conditions; 40% more effective when designed to wrap around the face, keeping its electromagnetic filtering effective from the side, up above and in front; filters out ultraviolet and filters violet light
Dispersion Shifted Fibre (G 653) Fibre manufactured to achieve zero chromatic dispersion at 1550 nm - the wavelength of lowest loss
Dispersion-shifted fiber A type of single-mode fiber designed to have zero dispersion in the 1550-nm region DSF works poorly for DWDM applications because of high nonlinearities at the zero dispersion point
dsf
المفضلات