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What are co-axial lenses and where are they

Answer»

In geometry,coaxialmeans that two or more three-dimensional linear forms share a common axis. ... Acoaxialcable, as a common example, is a three-dimensional linear structure.Coaxialcable isused asa transmission line for radio frequency signals. Its applications include feedlines connecting radio transmitters and receivers with their antennas, computer network (Internet) connections, digital audio (S/PDIF), and distributing cable television signals.



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