1. First, clearly explain why it is necessary to increase or decrease surveying and mapping personnel, business development, project requirements, etc. Explain in detail the number of surveying and mapping personnel that need to be increased or decreased.

2. Secondly, it is clear that the number and time of surveying and mapping personnel need to be increased or decreased, indicating the impact of increasing or decreasing surveying and mapping personnel on the work.

3. Finally, propose solutions to solve the problem of staff shortage through training, recruitment and deployment, or reduce the number of staff by optimizing processes and improving efficiency.