n.
a ghostly appearing figure
同义词：apparitionphantasmphantasmafantasmspecterspectre
something existing in perception only
同义词：apparitionphantasmphantasmafantasmshadow
Scalar Phantoms
The GSF family of voxel phantoms
Assessment of colour doppler tissue imaging using test-phantoms
Dose reduction in CT by on-line tube current control: principles and validation on phantoms and cadavers
Attenuation coefficients for Tc-99m photons in water-filled phantoms, determined with a gamma camera: Variation with energy window
Predictions and measurements of scattering and absorption over broad wavelength ranges in tissue phantoms
Application of Monte Carlo calculations to calibration of anthropomorphic phantoms used for activity assessment of actinides in lungs
Monte Carlo modeling of light propagation in highly scattering tissues. II. Comparison with measurements in phantoms
Microwave imaging via space-time beamforming: experimental investigation of tumor detection in multilayer breast phantoms
Influence of particle size and concentration on the diffuse backscattering of polarized light from tissue phantoms and biological ce...
