平行变异 parallel variation
反行变异 Counter variation
行间变异 between-column variation
进行心率变异 Heart rate variability ; HRV
傲慢的行为单独的变异 Arrogant acts alone the variant
进行拷贝数变异 Copy Number Variation ; CNV
家系进行拷贝数变异 copy number variation ; CNV
行为变异机制 the mechanism of behavior variation
单独行动的变异 Acts alone the variant
目的：研究椎动脉走行变异患者推动脉血流动力学的超声诊断价会值。
Objective To evaluate the diagnostic value of color Doppler flow dynamic changes in patients with vertebral artery course variation.
结论：彩色多普勒超声对椎动脉走行变异是一种理想的无创性诊断方法。
Conclusion: Color Doppler flow imaging is a useful noninvasive method for the diagnosis of vertebral artery course variation.
结论：熟悉喉返神经的解剖和变异，行甲状腺切除术时解剖显露喉返神经可以降低喉返神经损伤的发生率。
Conclusions: the familiarity of the anatomy and variation of RLN, and the exposure of RLN in thyroid operation, can reduce the rate of the RLN injury.
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