[Retracted] Performance of Ferroelectric Materials in the Construction of Smart Manufacturing for the New Infrastructure of Smart Cities

Table 1

Smart city construction project management.

Grade name	Score range
Standard grade	0 ≤A < 0.2
System level	0.2 ≤ A< 0.45
Integration level	0.45 ≤ A< 0.7
Continuous improvement level	0.7 ≤ A < 1