物质和能量交流的开放系统。可惜由于佩尼的＂无反馈零交流＂特性，无法维持这种开放的交流系统，只能走向混乱和衰败

来源: LSGGSL73 于 2022-11-10 20:23:56 [旧帖] [给我悄悄话] 本文已被阅读：次

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