The conditions of cerebrovascular diseases were examined by three dimensional time of flight (3D-TOF) nuclear magnetic resonance (MRI).

所有患者术前均采用三维时间飞跃（3D-TOF）序列技术经磁共振成像（MRI）检查脑血管病变情况；

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The near orthogonal hierarchical vector basis functions are used for solving three-dimensional time-domain electromagnetic integral equations (TDIE) of the metallic object.

本文将准正交高阶叠层矢量基函数用于时域电磁场积分方程(TDIE)，求解了三维金属目标的时域电磁散射问题。

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The European mission will instead study the influence of dark energy by looking for subtle distortions in the way galaxies appear as they line up on the sky, and by measuring the patterns in the three dimensional distribution of galaxies through time.

BBC: Dark discussion ahead for Europe and US

"It's a long way to go, and is like a combination of playing three-dimensional chess and bridge and trying to run a NASA space programme, all at the same time, " he added.

BBC: NEWS | UK | Wales | The way ahead for EU funding

Yet he also absorbed the daring new techniques that were emerging at the time, illustrated here by the work of Masaccio and Uccello with their grasp of three- dimensional form and the rules of perspective.

ECONOMIST: A rare chance to see the works of a 15th-century master