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This idealized example has been created to simulate a complex urban environment where several governing entities and multiple agencies have partnered to enhance a major east-west travel corridor . In this diagram , there is a central point and multiple axes , each of which is a numeric scale representing some dimension . THEN it happened again , another tooth abscess caused by the damage started by the first ones , another ten years and multiple Xrays , and all the doctors and dentists in two counties telling me I was making it up , until it burst . In cases where there is pain , fractures , abnormal growth , or multiple tumors , surgery is recommended . At present , it is extremely difficult - - if not impossible - - to accurately measure the use of and need for assistance in paying for child care since so many systems are involved in eligibility determination and multiple methods are used to determine need .