This is for writing papers. The teacher usually asks some related questions after reading your paper. For example, first, when you were discussing your paper, you used a formula. What is its principle and formula? Secondly, you used the highway survey methods and technical specifications, as well as their definitions and error checking methods in your paper. Three, how to deal with the problems in highway survey, using the existing detection means? You know the procedure of highway survey (not computer program), how do you check your measurement results, and sixth, how much do you know about the new methods used in your paper?

This is the operation of the project, similar to bidding. First, the norms and indicators you use in surveying and mapping. Second, why do you need a certain precision in your surveying and mapping? Third, why do you use some surveying and mapping methods, such as GPS and RTK, and their differences. Fourth, how to deal with problems, how to test the results, and how to arrange your own work.