The mode of temperature gradient of this Bridges box girder is developed by the method of nonlinear regression.
采用非线性回归的方法，提出了该桥混凝土箱梁的温度梯度模式。
It is testified that the temperature gradient mode of the paper is reasonable and the result is in accordance with BS5400 and Chinese road bridge norm.
验证了本文推荐的温度梯度模式是合理的，其结果与英国BS 5400规范温度梯度模式和我国公路桥涵新规范温度梯度模式基本是一致的。
This temperature gradient mode provides the calculation basis about how to calculate the temperature effects for this type of the bridge.
根据各杆件的温度场求解结果，将非线性温度梯度等效成线性温度。
Analyses the advantages of using low temperature geothermal gradient utilization system with serial mode of radiator and water source heat pump for retrofitted projects.
利用单位热成本的概念分析比较了几种供热方式的经济性，分析了散热器与水源热泵串联运行低温地热梯级利用供暖改造方案的优越性。
Analyses the advantages of using low temperature geothermal gradient utilization system with serial mode of radiator and water source heat pump for retrofitted projects.
利用单位热成本的概念分析比较了几种供热方式的经济性，分析了散热器与水源热泵串联运行低温地热梯级利用供暖改造方案的优越性。
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