Objective To explore the X-ray imaging representation characters and clinical diagnosis value of irritable bowel syndrome (IBS).

目的探讨肠易激综合征(IBS)的X线影像表现特点及临床诊断价值。

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Based on the theory of X-ray stress measurement, a method of measurement and representation for the inter-phase stress of double-phase material was established.

基于X射线应力测量原理，建立了一种双相材料相间内应力的测量与表征方法。

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The integral representation for acoustic ray is constructed by the product of the generalized reflection-transmission coefficients corresponding to the specification of the generalized ray paths.

任意一条广义声线的积分表达式，则可根据每一条声线段的性质，由各反射界面上的广义反射、透射系数直接给出。

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MPs who urged a No vote (Allan Rogers, Sir Ray Powell and Denzil Davies) have vowed to get proportional representation taken out of the scheme altogether.

ECONOMIST: Wales