指数衰变律 exponential decay law

放射性衰变律 [核] radioactive decay law

衰变定律 [物] decay law ; law decay

放射性衰变定律 radioactive decay law ; law of radioactive disintegration ; law radioactive decay

衰变规律 law of radioactive decay ; decay law

放射衰变规律 radioactivedecayrule

强子衰变的八重律 octet rule in hadronic decay

放射衰变定律 law of radioactive decay