After inquiring the opinions of experts in related fields, sorting, summarizing, and statistics, and then anonymously feedback to each expert, soliciting opinions again, then focusing, and feedback
Through the inquiry of expert opinions in the relevant fields, organize, summarize, statistics, and then anonymous feedback to the experts, again solicit opinions, and then focus, and then feedback
After consulting experts' opinions in relevant fields, organize, summarize and make statistics, then give anonymous feedback to experts, then ask for opinions again, focus again and give feedback again