donut

n.

油炸圈饼，圆环图；

复数：donuts

Donut shaped sanding disk
Compressed donut-shaped tablets with zero-order release kinetics
Donut-type parallel probe card and method of testing semiconductor wafer using same
Rethinking the donut: the case for hydrologically relevant buffer zones
Synthesis of Highly Ordered Donut-like Mesoporous Silica SBA-15
Silicon hybrid plasmonic submicron-donut resonator with pure dielectric access waveguides
Detection and analysis of tau–neutrino interactions in DONUT emulsion target
Multi-band metamaterial absorber based on the arrangement of donut-type resonators.
Pt fibers with stacked donut-like mesospace by assembling pt nanoparticles: guided deposition in physically confined self-assembly o...
Subdiffraction imaging through the selective donut-mode depletion of thermally stable photoswitchable fluorophores: numerical analys...