序号

关键词

频次(次)

中介中心性

1

fresh produce

85

0.25

2

supply chain

78

0.07

3

quality

78

0.23

4

management

63

0.04

5

model

58

0.07

6

system

34

0.06

7

life cycle assessment

27

0.1

8

impact

25

0.06

9

strategy

24

0.04

10

performance

23

0.1

11

supply chain management

23

0.16

12

food safety

21

0.08

13

shelf life

21

0.06

14

consumption

20

0.08