词汇	心选择性照相
释义	心选择性照相医cardiocairograph
随便看	positron annihilation lifetime positron annihilation lifetime spectroscopy positron annihilation life time spectrum positron annihilation radiation positron annihilation spectroscopy positron annihilation spectrum positron annihilation technique positron-annihilation technique 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