The definition of compound system was given including native system and human system. The definition of certain system and uncertain system were presented.
给出了包含自然系统和人为系统的复合系统定义，以及确定性系统、不确定性系统的定义。
Objective to observe the spleen index and spleen DNA content of Chinese native medicine compound prescription "FH" water agent to immunosuppressive mice caused of cyclophosphamide (cy).
目的：观察中药复方防黄水煎剂对环磷酰胺(CY)所致免疫功能低下小鼠脾脏指数及脾脏dna含量的影响。
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