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After the founding of P.R.China,thePlanned rehabilitation ofthe old cities underthe Poor environmental eonditions was ear-ried out in 19505,and meanwhile the earliestresidential areas in New China were built insome imPortant
After the founding of P.R. China, the Planned rehabilitation of the old cities under the Poor environmental eonditions was ear-ried out in 19505, and seasonal the earliest areas of areas in New China were built in some imPortant