In concrete structure, due to coefficient of conduction for concrete is small, when external environment changes sharply, the change for internal temperature has distinct hysteresis.
在混凝土结构中，由于混凝土导热系数小，外部环境急变时，内部温度变化存在明显的滞后现象。
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。
Temperature is a relatively high unpredictable factor in all external environment conditions, and fluctuates with the change of environment.
在所有的外部环境影响因素中，温度的不可预测性较高，往往因环境的变化而发生波动。
The external environment factors play an important role in the development process of honeybee, such as temperature, humidity, light and so on.
蜜蜂发育过程受外界环境因素温度、湿度、光等的影响很大，而温度是最重要的因子之一。
The external environment factors play an important role in the development process of honeybee, such as temperature, humidity, light and so on.
蜜蜂发育过程受外界环境因素温度、湿度、光等的影响很大，而温度是最重要的因子之一。
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