complexityn.复杂；复杂性；复杂的事物complexity science theory复杂性科学理论complexity of inheritance继承复杂性complexity of human nature道统complexity systemic theory复杂系统理论complexity of road network复杂路网complexity and fascination复杂情趣性Complexity adaptive system复杂适应系统Complexity and Suitability复杂性与适应性complexity and difficulties复杂性和难度complexity typical sentences复杂性类型句