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建立了锅炉受热面热力过程通用数学模型。
A generally mathematical model of the thermal process of the boiler heated surface is established in this paper.
建立了催化精馏塔通用数学模型，并给出了求解方法。
A general mathematical model for catalytic distillation columns was proposed and the solution method was given.
提出了适于自动处理任何船舶碰撞责任比例的通用数学模型。
The paper introduces a universal mathematical model capable of automatically processing the collision responsibilities for all types of ship collision.
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