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- 准直X線源collimated x-ray source
- 頦下垂直X線片submental vertical roentgenogram
- 頦下垂直X線照片submental vertical roentgenogram
- 頦下垂直X線[照]片submental vertical roentgenogram
- 在線in-line
- 准standard
- 准直collimation
- X線准直器X-ray beam collimator
- 准直器collimator
- 阿貝自准直量度法Abbe autocollimation measuring
- CT與X線對早期強直性脊柱炎的診斷Diagnoses of CT scan and X-ray film with the early ankylosing spondylitis
- 准直狹縫collimating slit
- 波帶板激光准直laser alignment with zone plate
- CT與X線平片對強直性脊柱炎的診斷價值Evaluation of CT and X-ray Plain Film for Diagnosis of Ankylosing Spondylitis
- 准直差collimation error
- 准直帶collimation band
- 准直燈collimated lamp
- 准直點collimating point
- 准直縫collimating slit
- 准直管collimator tube