(IP 
  (NP-SBJ 
    (CP 
      (WHNP-1 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-SBJ 
            (-NONE- *T*-1))
                    
          (VP 
            (PP-MNR 
              (P 以)
                    
              (NP 
                (ADJP 
                  (JJ 固定))
                    
                (PRN 
                  (PU （)
                    
                  (NP 
                    (NT 一九九零年))
                    
                  (PU ）))
                    
                (NP 
                  (NN 市价))))
                    
            (VP 
              (VV 计算))))
                    
        (DEC 的)))
                    
    (NP 
      (NN 工程)
                    
      (NN 总值)))
                    
  (PU ，)
                    
  (VP 
    (VC 是)
                    
    (VP 
      (VP 
        (PP-MNR 
          (P 透过)
                    
          (NP 
            (CP 
              (WHNP-2 
                (-NONE- *OP*))
                    
              (CP 
                (IP 
                  (NP-SBJ 
                    (-NONE- *T*-2))
                    
                  (VP 
                    (VA 适当)))
                    
                (DEC 的)))
                    
            (NP 
              (NN 物价)
                    
              (NN 指数))))
                    
        (VP 
          (MSP 去)
                    
          (VP 
            (VV 平减)
                    
            (NP-OBJ 
              (NN 工程)
                    
              (NN 名义)
                    
              (NN 价值))
                    
            (IP 
              (NP-SBJ 
                (-NONE- *PRO*))
                    
              (VP 
                (VV 至)
                    
                (NP-OBJ 
                  (NP 
                    (NT 一九九零年))
                    
                  (NP 
                    (NN 价格)
                    
                    (NN 水平))))))))
                    
      (VP 
        (VV 计算))
                    
      (VP 
        (MSP 而)
                    
        (VP 
          (VV 成))))))
arg1: 
                    工程 名义 价值 
                
arg2: 
                    *PRO* 至 一九九零年 价格 水平 
                
argm: 
                    透过 *OP* *T*-2 适当 的 物价 指数