(IP-OBJ 
  (IP 
    (NP-PN-SBJ 
      (NR 中国)
                    
      (NN 文明))
                    
    (VP 
      (PP-TMP 
        (P 在)
                    
        (LCP 
          (QP 
            (ADJP 
              (JJ 公元))
                    
            (ADJP 
              (JJ 前))
                    
            (QP 
              (CD 四千)
                    
              (CLP 
                (M 年))))
                    
          (LC 前)))
                    
      (PU ，)
                    
      (ADVP 
        (AD 已经))
                    
      (VP 
        (VV 显形)
                    
        (AS 了)
                    
        (NP-OBJ 
          (QP 
            (CD 一)
                    
            (CLP 
              (M 个)))
                    
          (NP 
            (NP 
              (NN 交互)
                    
              (NN 作用))
                    
            (NP 
              (NN 圈))))))))
arg0: 
                    中国 文明 
                
arg1: 
                    一 个 交互 作用 圈 
                
argm: 
                    已经 
                
argm: 
                    在 公元 前 四千 年 前