The people formed an unassisted free floating line in the lake renowned for its buoyancy.
人们在这个以浮力闻名的盐水湖组成了自助自由漂浮队伍。
The experimental results indicate that free convection caused by the buoyancy in the heated tube with natural circulation has great influence on the heat transfer characteristics.
实验结果表明，自然循环工况下上升加热段内工质的物性变化及由浮升力引起的自由流动对对流传热特性有重要影响。
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