1 Subjects: “...return strategy...”

2 Subjects: “...water strategy...”

3 Subjects: “...human–machine interaction control strategy...”

4 Subjects: “...bioeconomy strategy...”

5 Subjects: “...energy management strategy...”

6 Subjects: “...scaling-up strategy...”

7 Subjects: “...expansion logic strategy...”

8 Subjects: “...expansion logic strategy...”

9 Subjects: “...expansion logic strategy...”