1:https://baike.baidu.com/item/SCM%E4%BE%9B%E5%BA%94%E9%93%BE%E7%AE%A1%E7%90%86/3400001?fr=aladdin
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2:https://blog.csdn.net/cxo17757154043/article/details/128996378?spm=1001.2101.3001.6650.2&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EYuanLiJiHua%7EPosition-2-128996378-blog-74906207.235%5Ev27%5Epc_relevant_3mothn_strategy_recovery&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EYuanLiJiHua%7EPosition-2-128996378-blog-74906207.235%5Ev27%5Epc_relevant_3mothn_strategy_recovery&utm_relevant_index=3
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3:https://blog.csdn.net/hellokandy/article/details/74906207
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4:CSDN