短語詞組短語Prompt fission neutron spectrum 瞬發(fā)裂變中子數(shù)Prompt fissio neutron Multiplicities 裂變中子譜prompt fission neutron log 瞬發(fā)裂變中子測井prompt fission neutron 瞬發(fā)裂變中子prompt neutron fraction 瞬發(fā)中子份額;瞬發(fā)中子分?jǐn)?shù)irradiation prompt neutron burst 瞬時中子爆發(fā)照射prompt neutron flux density 瞬發(fā)中子通量密度prompt neutron generation time 瞬發(fā)中子每代時間prompt neutron area 瞬發(fā)中子麪積 返回 prompt neutron