• proton recoil proportional counter • proton rrecoil proportional counter

प्रोटॉन:    proton

प्रोटॉन प्रतिक्षेप:    proton recoil प्रोटॉन proton

प्रतिक्षेप:    reverberation repulsion backlash repercussion

अनुपाती:    rateable rateably proportional proportionate

गणित्र:    counter