The air movement should be variable.

空气的流动应当是变化的.

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Spatial and temporal variations in the air movement are desirable for fresh environments.

空气运动随空间和瞬时而变化是新鲜环境的要求.

辞典例句

Welding quality will also decline if there is strong air movement around the working ambience.

如果焊接环境有较强的空气流动,也可能造成焊接质量下降.

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Put your cheek next to the nose and mouth to listen and feel the air movement.

将你的脸颊移至患者的口鼻处,去聆听并感觉空气的移动.

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This air movement from wind. The faster the air flows, the stronger is the wind.

这样的空气运动形成风. 空气流动得越快, 风就越强劲.

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