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热膨胀 [rè péng zhàng]
[热] thermal expansion
thermal dilation
thermal dilation
- 物体遇热膨胀，遇冷收缩，这是一种普遍的物理现象。
It is a common physical phenomenon that substances expand when heated and contract when cooled. - 例如，使用热膨胀系数小的玻璃可以允许部件焊接在一起从而形成连续的一整块玻璃。
Using a glass that does not expand much when heated, for example, would enable components to be welded together, forming, in effect, a continuous piece of glass. - 海平面上升的两个主要因素是随着海洋温度升高而产生的热膨胀，以及冰河和冰层融化产生的水——但对于二者的作用各有多大，人们一直不明确。
The two main factors are thermal expansion of the oceans as they warm up and the addition of water from melting glaciers and ice sheets – but their relative contributions have not been clear.
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