你还能很容易地在这个模型中对经济运行进行修正，而要做仅仅是控制水闸的开关和阀门、水龙头的松紧。
The model was also easy to tinker with: valves could be loosened, sluices opened and taps tightened.
研究基于动态投入产出理论的确定性线性经济系统控制模型。
In this paper, a deterministic linear economic system control model based on dynamic input-output theory is studied.
引入经典的生产经济批量库存控制模型，并对主要的库存控制参数进行了计算，制订合理的生产批量。
Referring to the classical model of inventory control of economical production quantity, the main parameters of inventory control are calculated to formulate the reasonable production quantity.
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