[Retracted] Development of a Relative Similarity Degree Based Engineering Construction Multi-Attribute Decision Model and Its Application

Table 1

Technical and economic indexes for the construction and planning of maritime safety engineering in cities of Hunan province.

City	Internal rate of return (%)	Net present value (1 × 10^8 yuan)	Benefit-cost ratio	Affected population (10,000 people)	Area of flooded cultivated land (10,000 hectares)	Direct economic loss (1 × 108 yuan)	Urban Population (10,000 people)	Urban construction area (km^2)	Gross fixed assets (1 × 108 yuan)
Changsha	16.2	6.5018	1.47	51.2	0.82	83.84	132.43	115	303.6
Changde	18	5.9223	1.63	55.45	1.65	106	55.45	35.3	144
Zhangjiajie	14.43	0.4894	1.26	3.888	0.0000625	0.2079	12.96	12.5	26
Yiyang	13.4	0.46	1.14	22.4	0.032	13.4	45.9	29.5	106
Yueyang	14.0	1.073	1.21	22	0.3887	18.544	65.17	55	162.8
Zhuzhou	15.3	1.1818	1.34	24.522	0.1841	87.84	71.19	58	277.3
Hengyang	14.5	1.2183	1.26	19.5	0.4373	18.6	54.17	46	234
Xiangtan	23.6	7.1305	2.31	32.6	0.526	50.4	65	40	122
City	GDP per capita (yuan)	Growth factor of maritime safety criterion	Growth factor of conservation criterion	Population in the planning area protected by unit project quantity (10,000 people)	Planning area protected by unit project quantity (km^2)	Investment volume for unit project quantity (10,000 yuan)	Buildings demolished for building unit project quantity (10,000 m^2)	Environmental benefit coefficient
Changsha	39354.84	10.43	0.4286	0.6217	0.5238	651.4353	0.2071	9
Changde	13201.08	10.76	0.3333	0.5454	1.7935	889.7941	0.2293	9
Zhangjiajie	36010.80	9	9	0.6906	0.8978	659.9275	0.2869	5
Yiyang	18540.31	10.11	0.6667	1.4061	2.4332	779.9513	0.1572	5
Yueyang	31497.24	2.33	0.3333	3.8601	4.1780	1463.3565	0.1558	8
Zhuzhou	27081.05	4.71	0.5385	1.7704	1.7499	840.8024	0.2734	6
Hengyang	15320.69	4.71	0.8182	1.0196	0.8413	683.3180	0.0985	7
Xiangtan	14300	4.71	1.5	0.9942	0.9942	671.2281	0.1146	7