Objective: to study the theory and the value of direct projection tomography technology.

前言：目的：探讨直接投影断层成像技术的一般原理及其使用价值。

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Results: the direct projection tomography machine can display tomography image of the model.

结果：用该直接投影机能显示出模型的断层图像。

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The shortest latency of the evoked potential was only 2 ms, indicating that a direct projection from the amygdala to the auditory cortex did exist.

诱发反应的潜伏期最短为2毫秒，表明杏仁向听皮层的投射可能是单突触的。

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One projection indicates that 23,000 jobs with direct or indirect ties to the space industry, could be lost in Florida within a year.

VOA: standard.2010.03.18

High-def sets fall into three basic categories: direct-view, rear-projection and front-projection.

FORBES: The Big Picture