The results indicate that the object of safety economy statistics is the quantitative aspect of safety economy phenomenon.
安全经济统计的研究对象是安全经济现象的数量方面;
In quantitative aspect, the main consideration is value maximization of cargo of different type and quantity in finite space.
在定量方面,主要考虑有限空间内的不同种类不同数量的货物价值最大化。
Especially on the quantitative forecast aspect, forecast the urban land expansion by method of factor forecasting, method of trend extrapolating and method of ca model from different Angle.
特别是在定量预测方面,从不同角度运用因素预测法、趋势外推法、CA模型法等三种方法对城市用地扩展进行估算。
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