词典释义：
双语例句
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The previous studies show that the main reasons for poor post-operation results of OLF patients are the delation in diagnosis and the needs of continued operation in OLF in spine.
胸椎OLF的保守治疗效果差，临床治疗仍以后路减压术为主，研究表明，诊断延误与OLF多发性是造成患者术后功能恢复差的重要原因。