[Retracted] Visualization of Information Retrieval in Smart Library Based on Virtual Reality Technology

Table 4

Users’ views on limitations.

Variable	Types	Quantity	Percentage (%)
Types of limitations	Expensive	61	64.53
	Low utilization	44	48.38
	New things are difficult to popularize	28	31.17
	Complex operation	25	25.82
	Other reasons	5	4.5