Simultaneously, in view of different forms and scopes of ventilation network, the corresponding mathematic model is established for the stability analysis.
同时针对不同的通风网路形式，不同的通风网路规模，建立其稳定性分析的数学模型。
Mathematic achievements exist in such forms as their original form, academic form in textbooks and educational form in teaching process.
数学成果有发现时的原始形态、教科书上的学术形态以及教学中的教育形态。
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