高能质子-质子反应
high energy proton-proton collision
星内质子-质子链反应
proton-proton chain in stars
质子-质子链反应
proton-proton chain reaction
质子-质子链式反应
proton proton chain reaction
中子-质子质量差
neutron proton mass difference
neutron-proton mass difference
difference
neutron-proton mass
粒子-粒子关联
particle particle correlation
粒子粒子相关
particle particle correlation
超细晶粒硬质合金
utrafine cemented carbides
Ultra-fine Cemented Carbides
ultrafine hardmetal