There are multiple definitions:

1. thermoplastic urethane(English)

   • HFP, PIEC, SEM, XPS
   • Biomaterials, Nano-sciences
   • https://doi.org…X12464344958883

2. tensor processing unit(English)

   • API, AR, CCD, CMOS, FIFO, NPU, SDI, SDR, VR
   • Computing (biomedical), Medical imaging, Signal analysis
   • https://doi.org…OC.2023.3266736