In the mass concrete construction in cement plants, cracks in the concrete may be controlled by reducing the hydration heat and cooling with water to control the internal and external temperature.

在水泥厂工程大体积混凝土施工过程中，可以通过降低水泥水化热和冷却水冷却，控制混凝土内外温差等措施来控制大体积混凝土有害裂纹的产生。

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Each temperature type of wheat has its distinct characteristics in its external and internal characters.

不同温度型的小麦在外部和内部性状上各有一些鲜明特点。

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In this thesis, the internal temperature field of the head of projectile is researched, based on the given projectile shape and external thermal environment.

本文在弹丸外形给定、外部热环境已知的基础上，进行弹丸头部内部的温度场研究。

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