zhèng​diàn​zǐ​fā​shè​céng​xī

PET scan

  1. positron
    positron; antielectron; the antiparticle of the electron that carries a positive charge
  2. to transmit
    to emit or transmit signals, radio waves, or particles
  3. layer
    A physical sheet, thickness of material, or stratum covering a surface
  4. verbnoun
    to analyze
    (bound form) to analyze; to differentiate; to explain the meaning of something, as in 解析 jiě​xī or 辨析 biàn​xī