橘皮状拋物线体反射体
orange-peel paraboloid reflector
双截拋物线体反射器
truncated-paraboloidal reflector
圆形拋物线体反射器
circular paraboloid reflector
物质-反物质的相变
matter antimatter phase transition
宇宙的物质-反物质不对称
matter-antimatter asymmetry of the universe
拋物线质谱法
parabola mass-spectrography