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- 准直X线源collimated x-ray source
- 颏下垂直X线片submental vertical roentgenogram
- 颏下垂直X线照片submental vertical roentgenogram
- 颏下垂直X线[照]片submental vertical roentgenogram
- 在线in-line
- 准standard
- 准直collimation
- X线准直器X-ray beam collimator
- 准直器collimator
- 阿贝自准直量度法Abbe autocollimation measuring
- CT与X线对早期强直性脊柱炎的诊断Diagnoses of CT scan and X-ray film with the early ankylosing spondylitis
- 准直狭缝collimating slit
- 波带板激光准直laser alignment with zone plate
- CT与X线平片对强直性脊柱炎的诊断价值Evaluation of CT and X-ray Plain Film for Diagnosis of Ankylosing Spondylitis
- 准直差collimation error
- 准直带collimation band
- 准直灯collimated lamp
- 准直点collimating point
- 准直缝collimating slit
- 准直管collimator tube
