speculativeadj.推测的；推理的；思索的；投机的speculative execution推测性执行speculative activites[法] 投机买卖活动speculative knowledge理论知识speculative component投机性成分speculative operation投机交易speculative philosophy思辩哲学speculative securities投机性证券speculative investment投机投资speculative production[经] 冒险生产speculative money flow投机性货币流动