平稳气流：向内靠风扇送冷风， 可以达到一个平稳的温度；
Smooth airflow:A fan inside the cabinet achieves smooth wind circulation for even temperature.
大熊天文台坐落于一个清澈的山湖中，那里以气流平稳闻名。
The Big Bear Observatory is located in a clear mountain lake which is known for its atmospheric stability.
美国医学杂志《呼吸道与急救护理杂志》的研究者是通过比较哼绵羊音与一般平稳吐气时的气流而得到该结论。
In a study in the American Journal of Respiratory and Critical Care Medicine, researchers examined this by comparing airflow in people when they hummed and when they quietly exhaled.
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