初步实验表明，该装置能够帮助视障学生有效感知简单的文本和几何图形信息。

The primary experiments show that this blind educated device can help visually impaired students perceive and understand simple characters and figures effectively.

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婴儿反应的胶片分析、心率和呼吸速率监测器以及非营养性吸吮装置是理解婴儿感知的有效工具。

Film analysis of the infant's responses, heart and respiration rate monitors, and nonnutritive sucking devices are used as effective tools in understanding infant perception.

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例如，汽车制造商正在尝试使用微型设备，这些设备能够感知何时释放安全气囊，以及如何保持引擎和刹车有效运转。

Auto manufacturers, for example, are trying to use tiny devices that can sense when to release an airbag and how to keep engines and breaks operating efficiently.

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z So in our first case, our first extreme case, would be that the z effective that is felt by electron number 1, is going to be plus 1.

被1号电子感知到的有效的，是+1所以,我们所能做的是计算出，我们从这个。

麻省理工公开课 - 化学原理课程节选