The mathematical model which describes the flow and heat transfer in inverse solidifying mold was established. Base on the model, a series of study with computerized simulation was taken.
建立了描述反向凝固结晶器中流动与传热的数学模型，并在此模型基础上进行了计算机模拟和仿真。
The constructions of the EM structural model of microwave PIN switches and computerized simulation are introduced The key points of design phase of the broadband switch are discussed.
介绍了 微波PIN 开关的电磁结构模型的建立及计算机仿真，讨论了宽带单刀多掷 开关的设计要点。
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