actual distance造句怎么写

Do you recommend full speed trails over the actual distance of the race?

This is an estimate of the remaining distance, not the actual distance, which is why it's called the heuristic.

Considering the unpleasant weather conditions, Zhang made some detours in the voyage that extended his actual distance to 69 km, but even so, his 50 km direct-line mileage still set a new record.