The principal square root function is defined using the nonpositive real axis as a branch cut.
主平方根函数是使用非正实轴作为分支切割定义的。
Electromyography and nerve conduction velocity, as traditional means, can not provide enough useful diagnostic information about nerve root function.
肌电图和神经传导速度作为传统的电生理检查手段，对神经根性损伤的诊断价值有限。
The electric neurophysiology can provide reliable information about nerve root function that would supplement the structural information provided by the imaging study.
神经电生理学检查手段可了解神经根的功能状态，弥补了影像学的不足。
The electric neurophysiology can provide reliable information about nerve root function that would supplement the structural information provided by the imaging study.
神经电生理学检查手段可了解神经根的功能状态，弥补了影像学的不足。
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