Contrast is a basic method of language study.
比较是语言研究的一种基本方法。
Here is the initial study on selection of contrast medium and imaging technique in order to research the diagnosis method of zygomatic gland diseases.
为了探索犬颧腺影像学诊断方法，对造影剂应用和造影方法进行了初步研究。
Objective: to study the clinical contrast observation, discusses an effective method to treat in knees osteoarthritis, provides the basis for the clinical treatment.
目的：通过临床对比观察，探讨一种治疗膝骨关节炎的有效方法，为临床治疗提供依据。
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