In this paper, a deterministic linear economic system control model based on dynamic input-output theory is studied.
2
目的探讨社会经济因素对火灾伤害的影响，为预防和控制火灾伤害提供理论依据。
Objective to reveal the influence of socioeconomic factors on fire injury and to provide scientific evidences for preventing and controlling fire injury.
3
研究小型飞机的飞行控制系统具有重要的理论意义、工程意义和经济意义。
So making researches on the light aircraft flight control system is of theory, engineering and economical value.
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