背心能够探测到氦原子方向和位置，然后把数据传给计算机，再转化成一副气流流经肺部的图像。

The vest detects the orientation and position of the helium atoms and sends the data to a computer, which turns it into an image of airflow through the lung.

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图片说明：飞行蝗虫引起的空气流动模式(中间一列和右面一列)与计算机仿真预言的空气模式(左面一列)是相似的。

Image: patterns of air movement caused by a flying locust (middle and right columns) are similar to air patterns predicted by a computer simulation (left column).

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船舶和海运技术。可通过内燃机车辆的货舱舱位之间的通风量。所需总气流流量的理论计算。

Ships and Marine technology - Ventilation of cargo Spaces where vehicles with internal combustion engines are driven - Calculation of theoretical total airflow required.

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