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1.The patient's condition required a thorough examination of the sacroiliac region.
患者的状况需要彻底检查骶髂区域。
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2. During surgery, the surgeon carefully dissected the ligaments to ensure proper alignment.
手术中，外科医生小心地分离了韧带，以确保正确的对齐。
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3. This anatomical structure plays a crucial role in supporting the lower back and preventing spinal deformities.
这个解剖结构在支撑下背部和预防脊柱畸形方面起着至关重要的作用。