表达式34: "x" equals left parenthesis, "y" minus .8 , right parenthesis squared plus 7 left brace, "y" less than 2.6 , right brace left brace, "x" less than 12.2 , right bracex=y−.82+7y<2.6x<12.2
34
表达式35: "y" equals 2sine ( "x" plus 50 ) left brace, "x" greater than 12 , right brace left brace, "x" less than 60 , right bracey=2sin(x+50)x>12x<60
