(IP 
  (NP-SBJ 
    (ADJP 
      (JJ 主要))
                    
    (NP 
      (NN 产品)))
                    
  (VP 
    (ADVP 
      (AD 又))
                    
    (VP 
      (VC 是)
                    
      (QP-PRD 
        (CP 
          (WHNP-3 
            (-NONE- *OP*))
                    
          (CP 
            (IP 
              (NP-SBJ 
                (-NONE- *T*-3))
                    
              (VP 
                (ADVP 
                  (AD 毫))
                    
                (ADVP 
                  (AD 不))
                    
                (VP 
                  (VV 起眼))))
                    
            (DEC 的)))
                    
        (ADJP 
          (JJ 薄薄))
                    
        (NP 
          (NN 磁碟)))
                    
      (QP-EXT 
        (CD 数)
                    
        (CLP 
          (M 片))))))
arg0: 
                    *T*-3 
                
argm: 
                    不 
                
argm: 
                    毫