中国金融体系结构

def solve(system_data):
    bank_ratio = system_data["银行资产"] / system_data["金融总资产"]
    market_ratio = system_data["资本市场市值"] / system_data["金融总资产"]
    if bank_ratio > 0.6:
        system_type = "银行主导型"
        feature = "以银行为核心，间接融资为主"
    else:
        system_type = "市场主导型"
        feature = "以资本市场为核心，直接融资为主"
    return {"银行资产占比": round(bank_ratio*100, 2), "资本市场占比": round(market_ratio*100, 2), "体系类型": system_type, "特征": feature}