World leaders agreed on Sunday to take different paths for cutting budget deficits, a reflection of the uneven and fragile economic recovery in many countries.
各国领导人周日同意采取不同方式削减预算赤字，这反映了许多国家经济复苏的道路是不平坦的，是脆弱的。
Layered and blocked homogeneous models are usually used to calculated travel times and ray paths of wide-angle reflection waves in interpreting wide-angle reflection data of deep seismic sounding.
在研究地壳结构的人工源宽角反射地震资料解释中，常规宽角反射波走时和射线路径计算大都假定地壳模型为层状块状均匀介质。
So to the important reflection and refraction results, we must choose a right chain of ray paths.
于是乎，对于拥有折射反射的物体，我们必须要考虑正确的光路。
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。
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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