Research on Optimization of Steel Foreign Trade Financial Transaction Based on Blockchain Technology

Table 3

1–9 Scale table.

Scale	Comparison of two indicators	Meaning
1	Equally important	Both indicators are equally important
3	A little more important	The former is slightly more important or advantageous than the latter
5	More important	The former is more important or advantageous than the latter
7	Very important	Compared with the two indicators, the former is more important or has advantages than the latter
9	Absolutely important	Compared with the two indicators, the former is absolutely important or has advantages over the latter
2, 4, 6, 8	Intermediate value of the above scale
The reciprocal of the above numbers	Describe the comparison between the former and the latter