The effects of educational level on speeds of cognitive tasks in aging were studied in 734 rolunteess of 46 ~75 years of age by using the multitask regressive analyses of two-dimensional ages.
应用二维年龄多作业回归分析方法，研究了734名46～75岁的脑力劳动者文化水平对老年认知作业速度衰减的影响。
This article analyses the artistic characteristic of three dimensional animation, and it states that three dimensional animation could not wholly replace the traditional two-dimensional animation.
本文在对三维动画的艺术特点进行分析的基础上，认为三维动画并不足以成为传统二维动画的替代品。
Methods: Two-dimensional angiography and three-dimensional angiography were performed in 213 patients with intracranial aneurysm, the radiographic files were analyses retrospectively.
方法：回顾性分析了213例脑动脉瘤患者的二维、三维数字减影脑血管造影的影像学资料，并对其结果进行了对比分析。
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