collimation

n.

瞄准；视准；

LED collimation optics with improved performance and reduced size
Pinhole collimation for ultra-high-resolution, small-field-of-view SPECT.
COLLIMATION ARRANGEMENT AND ILLUMINATION SYSTEM AND DISPLAY DEVICE USING THE SAME
High-resolution SPECT using multi-pinhole collimation
The Collimation-corrected Gamma-Ray Burst Energies Correlate with the Peak Energy of Their νFν Spectrum
Intensity-modulated arc therapy with dynamic multileaf collimation: an alternative to tomotherapy.
Magnetocentrifugally Driven Flows from Young Stars and Disks. V. Collimation into Jets: Erratum
Subsegmental Pulmonary Emboli: Improved Detection with Thin-Collimation Multi–Detector Row Spiral CT1
Physical and dosimetric aspects of a multileaf collimation system used in the dynamic mode for implementing intensity modulated radi...
Usefulness of Multidetector Row Spiral Computed Tomography With 64- × 0.6-mm Collimation and 330-ms Rotation for the Noninvasive De...