Software System Evolution Analysis Method Based on Algebraic Topology Hybrid Structure Reliability Analysis Based on the Damped Newton Method Sources of China's Economic Growth:An Analysis Based on Nonparametric Accounting Method Natural Monopoly and Mixed Ownership Reform——Based on Natural Experiment and Cost Function Analysis Method Optimization-Based Fragmental Transmission Method for Video Data in Opportunistic Networks The evolution analysis of agricultural global value chains Parallel-Data-Based Social Evolution Modeling Lazy Scheduling Based Disk Energy Optimization Method Emergence of correlation in domain knowledge based on frequency evolution A study on citing behavior based on the theory of information use environment: A cited references analysis