Objective: to establish the measurement method of the normal orbital and optic canal by ct scanned, and to explore the clinical value of the orbital volume and its regressive equation.
目的：建立正常人眼眶及视神经管骨性径线ct测量的方法，探讨CT测量眼眶容积及其回归方程的临床意义。
The coupled wave equation of multi dimensional Acousto electro optic(AEO)effect is derived according to the opinion of parameter interaction.
按照参量互作用的观点推出多维声电光效应的耦合波方程，并给出多维声电光效应衍射效率计算公式。
The coupled wave equation of multi dimensional Acousto electro optic(AEO)effect is derived according to the opinion of parameter interaction.
按照参量互作用的观点推出多维声电光效应的耦合波方程，并给出多维声电光效应衍射效率计算公式。
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