词汇	Wanji
释义	Wanji 🌏北京万极咨询有限公司；万元
随便看	Positron annihilation techniques positron beam positron beta decay positron brain scanning positron camera positron-capture positron capture branching ratio positron-capture branching ratio positron channeling positron collision Positron Comcidence Detection positron computed axial tomography positron computed tomography positron deca positron decay positron-decay positron-decay energy positron disintegration positron-electron positron electron annihilation positron-electron annihilation positron-electron case positron-electron intersecting storage ring positron electron pair positron-electron pair