对传统铁路客车空调系统送风不均匀的原因进行了详细分析，同时介绍了静压送风道的结构，对不同类型的静压送风系统进行了送风均匀性测试。
The reason that supply air is not uniform for traditional air conditioning system of passenger car are analyzed, the design methods of static pressure supply air duct are given.
为此，论文从研究校正算法和扫描硬件结构设计二个方面对数字化CR成像不均匀性进行了研究与改进。
For this purpose, correction arithmetic design and scanning hardware structure design are developed in this paper to remove the nonuniformity of CR image.
结果表明，地壳上地幔结构在纵向和横向上具有明显的不均匀性。
The results show that the crust and upper mantle structures present obvious lateral and vertical inhomogeneity.
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