结论MRI特别是短t I反转回复序列冠状面成像能够直观清晰地显示LNRA的起源、路径及大小等信息。

Conclusion MRI provided direct and accurate information on LNRA. The origin, course and size of LNRA were clearly demonstrated especially on MRI of coronal sections using STIR sequence.

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目的：探讨快速液体衰减反转回复(FLAIR)序列在脑变性疾病中MRI的诊断价值。

Objective: To evaluate the diagnostic value of fast fluid-attenuated inversion recovery (FLAIR) pulse sequence in MRI study of the brain degeneration.

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本文提出的旋转回波脉冲序列具有激发带宽适中，实验参数调整简单的特点，可广泛应用于固体样品的核磁共振谱测量中。

A pulse sequence, namely rotary echo, with modest excitation bandwidth and mere adjustment of the experimental parameters is proposed in the present article.

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