结论CT薄层扫描，骨窗和软组织窗同时观察是提高腰椎小关节退变诊断准确率的有效方法。
Conclusion thin slice CT scanning and observation combined bone window with soft tissue window can accurately diagnose the degenerative changes within lumbar zygapophysis.
该方法已用于光电图文扫描仪中变折射率透镜阵列的设计及测量，并获得了满意的结果。
This method has been used in the design and measurement of imaging system of optical-electronic scanner and satisfactory results have been obtained.
研究了光纤光栅不同折射率调制的实现方法，并设计研制了实现变迹曝光法的扫描装置。
We research the various index modulation methods and design the scanning device to realize the apodized exposure.
因此，为了更有效地控制双稳区，应选取较小的光电反馈率，同时时变注入电流具有较高的扫描速率。
So, smaller photoelectric feedback index should be chosen to control the bistability region more effectively, and the period of the time-varying injection current should be small.
因此，为了更有效地控制双稳区，应选取较小的光电反馈率，同时时变注入电流具有较高的扫描速率。
So, smaller photoelectric feedback index should be chosen to control the bistability region more effectively, and the period of the time-varying injection current should be small.
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