complexityn.复杂；复杂性；复杂的事物complexity s management复杂管理complexity index method复杂性指数Complexity of computing计算复杂度complexity of use cases用例复杂度complexity of technology技术复杂性complexity of innovation革新的复杂性complexity and diversity复杂性与多样性complexity of test cases测试用例复杂性complexity of computation计算复杂性complexity of the science复杂性科学