...膜的走行系三维立体结构，而造影图像系二维平面结构，因此，短缩效应（foreshortening effect）和重叠效应（overlapping effect）是冠状动脉造影及介入治疗中无法回避的难题。这在开口病变、分叉病变和偏心病变尤为明显。
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Additionally, overlapping effect exhibits strong seasonal and latitudinal variations due primarily to changes in H2O concentration.
此外，由于大气h2o含量的变化，重叠效应还表现出明显的季节性和纬度变率。
The present author discusses the symmetricalmatching principle, the maximum overlapping principle, the molecule orbitalsymbols and the anti-bond effect in the teaching of the molecule orbital theory.
本文对分子轨道理论教学中关于对称性匹配原则，最大重叠原则， 分子轨道符号及反键效应等几个问题进行了讨论。
The application and effect of US Derrick overlapping high frequency vibrating fine screen in the transformation for capacity expansion of System 321 in Ekou Iron Concentrator are described.
介绍了美国德瑞克重叠式高频振动细筛在峨口铁矿选矿厂321系统扩能改造中的应用和效果。
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