resonateresonationg piezoidresonatorresonator gridresonator moderesonator wavemeterresponderresponseresponse characteristicresponse curveresponse functionresponse sensitivityresponse timeresponse windowresponsor responserrestrest currentrest massrest pointrest positionrestartrestorationrestoring springrestrictrestricted radiation deviceresultagtretainingretaining circuitretardretardationretardation angleretardation timeretardedretarding fieldretarding field oscillator positive grid oscillatorretarding field tuberetentive counterretentive timerretentivityreticleretrace blankingretrace flybackretrace interval retrace period retrace time return interval return period returnretrace line return lineretransmissionretransmission unitretroactionretroreflectorreturnreturn beam mode
