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R yaxis , E' means roll along line yaxis ,
R m , C' means roll along line m,
R xaxis , F' means roll along line xaxis,
R n , D' means roll along line line n,
R y=x I think roll along xaxis and yaxis , which is the line 45degree cut through origin (0,0)
R m , C' means roll along line m,
R xaxis , F' means roll along line xaxis,
R n , D' means roll along line line n,
R y=x I think roll along xaxis and yaxis , which is the line 45degree cut through origin (0,0)
Date Posted:
6 years ago