通过数值模拟分析了影响残缺投影数据重建结果的主要因素：重建算法和投影间隔角。
The two major factors impacted the reconstructed results of incomplete projection data: reconstructed methods and the projection interval angle are analyzed by digital simulation method.
静息状态下，左心室舒张功能指标-二尖瓣室间隔角(msa)与射血分数(EF)呈负相关。
Mitral septal Angle (MSA), an index of left ventricular diastolic function, was negative correlative relationship with ejection fraction (ef) in the rest.
针对非质心作用推力的情况，讨论了附加攻角振荡幅度、脉冲推力大小、作用时间间隔等因素对于修正距离的影响。
While impulse forces not acting on the centroid, the influence of accessional attack Angle oscillation amplitude, impulse force scale and function time interval on range correction was discussed.
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