Table 3.

Judgment matrix of first-level index weight coefficient.

Power	T 1	T 2	T 3	T 4	T 5	T 6	T 7	W
T 1	1.97	1.85	2.68	2.12	1.11	2.08	2.86	0.1523
T 2	1.55	2.85	1.98	1.82	2.96	2.98	1	0.2411
T 3	1.66	1.33	2.2	1.11	2.1	2.05	1.36	0.1804
T 4	2.79	2.39	2.58	2	1.42	1.33	2.59	0.0993
T 5	2.89	1.76	2.5	1.17	2.33	1.8	1.73	0.1458
T 6	2.6	1.66	2.02	1.01	1.53	1.6	2.05	0.0769
T 7	1.32	2.75	1.71	1.54	1.23	2.97	2.82	0.1042