单词	游离截面积
释义	游离截面积ionization cross section
随便看	biological roentgen equivalent biological(s) biologicals biological safety biologicals {biological product} biological scatterer biological scavenging biological science biological science communications project biological science communications project--bscp biological science communications project，bscp biological science curriculum study (bscs) biological sciences biological season biological sedimentation biological self-purification biological sewage treatment biological sex [biological] shield biological shield biological shielding biological--shielding biological shield wall biological sociology biological solid