传播可能性可被散播性可散播性扩散本领扩散能力扩散系数扩散性扩散率扩散性能弥漫性弥散性散播力diffusibility of gases: 气体扩散率directional diffusibility: 方向性扩散diffusesolarradiation: 散射太阳辐射diffusibilty of gases: 气体扩散率diffusescirrhouscarcinomaofstomach: 弥漫型胃硬癌下载手机词典可随时随地查词查翻译