An Aerotropolis is an emerging type of urban form comprised of aviation-intensive businesses and businesses that need to be readily connected to their customers.They typically extend outward 15-20 miles from a major airport and are powerful economic development engines.n Aerotropolis is an emerging type of urban form comprised of aviation-intensive businesses and businesses that need to be readily connected to their customers.
trial balance. n. 1. (Accounting & Book-keeping) accounting a statement of all the debit and credit balances in the ledger of a double-entry system, drawn up to test their equality.
1 What Is A/R on a Trial Balance Sheet?  What Is A/R on a Trial Balance Sheet? A/R means accounts receivable, the master account that indicates the total amount customers owe a company at a given point, such as the end of a month or fiscal quarter.