Objective to investigate the effect of contrast material flow rate and delayed time on intracranial vascular spiral computed tomographic angiography (SCTA) imaging.

目的探索不同流速与延迟时间对脑血管螺旋CT血管造影(SCTA)成象的影响。

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From the view of design, the important role played by the time flow, one of the material flows, during sequence casting was showed by taking a mini mill for an illustrative example.

以短流程钢厂为例，从设计角度阐述了物流之一的时间流在连铸多炉连浇工艺中的重要作用。

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As more people turn from the material things, focus inward and let love flow through them, the world will be changed one heart at a time.

当越来越多的人抛弃物质的诱惑，而专注于内心并让爱流淌，世界就会慢慢改变。

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