现金流分析：应计项目率计算

"____""____""____"

metadata = {
    "____": "____",
    "____": "____",
    "____": "____",
    "____": "____",
    "____": ["____", "____", "____"],
    "____": ["____", "____", "____"],
    "____": ____
}

"____""____"⚠ 盈利质量差"____""____"

def solve():
    import pandas as pd
    from pyodide.http import open_url
    from io import StringIO

    BASE_URL = "____"
    cf = pd.read_csv(StringIO(open_url(____).read()))
    inc = pd.read_csv(StringIO(open_url(____).read()))
    bs = pd.read_csv(StringIO(open_url(____).read()))

    key = ['____', '____', '____']
    cf = cf[(____) & (____)]
    inc = inc[(____) & (____)]
    bs = bs[(____) & (____)]

    df = cf[key + ['____']].merge(____).merge(____)

    df = df.dropna(____)
    df = df[df['____'] > ____]
    df['____'] = ((____) / df['____']).round(____)
    df['____'] = df['____'].apply(____)

    result = df.nlargest(____, '____')[
        ['____', '____', '____', '____', '____', '____', '____']
    ].reset_index(____)
    return result.to_string()

if __name__ == "____":
    print(solve())