Urban public safety planning in comprehensive urban properties, scale and spatial development state, on the basis of focus on the risk control and risk mitigation facilities construction and so on, through the three levels of planning, i.e., the city's public safety comprehensive (partition) planning, urban public safety planning division, city public safety special planning for urban system of public safety overall planning, and through the implementation of the plan, ensure the safe and stable operation of urban system.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.