Thus, by making exchanges the fundamental condition for progress, Race and History was in perfect harmony with the ideology of cooperation, whose propagation UNESCO wished to promote.

这样，通过将交流作为进步的根本条件，《种族与历史》与联合国教科文组织希望推进其传播的合作思想达成了完美的和谐。

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Theoretical analysis and experiment results prove that the chamber pressurization rate, the debond dimension and the boundary condition have strong effects on the propagation of the debond.

理论分析和试验结果均表明：燃烧室增压速率、脱粘面尺寸、边界条件等因素对脱粘面扩展均有较强的影响。

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Conclusion that result of diffraction of light is rectilinear propagation in limited condition is demonstrated from wave theory.

从波动理论出发，证明极限情况下光的衍射结果就是光的直线传播。

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