ָ: Sxydim            

: ѡȡ֮λ(,Բ,ʽߴ).
          ʽߴ()ƶ,ƶλòʱ.
          ͼʱߴƵ֮λ .ֻƶ    

λ: 
  1 ʽܱ    Yע    ->    ->  ƶע
  2            Y_ʽ  ->   ƶע
  1 ʽܱ     Y    ->   
  2          Y_ͼ    ->   

ʾ: Enter /?/, Բ, , : 
  1 Enter  --   Sxydim ָ ( Ҽ) 

  2 ? -- ܲ˵

  3 , Բ, ,  -- ,Բ,BLOCK,Բ,򵥱ƶߴ繦
                
ָ: 
 STRETCH  (Autocadָ)
 EXTEND  칦 (Autocadָ)
 TRIM    ޼ (Autocadָ)
