表达式12: "C" left parenthesis, "S" left parenthesis, "x" , right parenthesis , right parenthesis left bracket, 1 , right bracket plus 1.5CSx1+1.5
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表达式13: "C" left parenthesis, "S" left parenthesis, "x" , right parenthesis , right parenthesis left bracket, 2 , right bracket plus 1.5CSx2+1.5
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表达式14: "C" left parenthesis, "S" left parenthesis, "x" , right parenthesis , right parenthesis left bracket, 3 , right bracket plus 1.5CSx3+1.5
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表达式15: .5 plus .5 "S" left parenthesis, "x" , right parenthesis left bracket, 1 , right bracket plus 3.5+.5Sx1+3
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表达式16: .5 plus .5 "S" left parenthesis, "x" , right parenthesis left bracket, 2 , right bracket plus 3.5+.5Sx2+3
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表达式17: .5 plus .5 "S" left parenthesis, "x" , right parenthesis left bracket, 3 , right bracket plus 3.5+.5Sx3+3
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表达式18: "K" Subscript, 2 , Baseline left parenthesis, "x" , right parenthesis equals "C" left parenthesis, cos left parenthesis, 2 pi left parenthesis, StartFraction, "x" Over 2 , EndFraction plus left bracket, 0 , 1 half , negative 1 quarter , right bracket , right parenthesis , right parenthesis , right parenthesisK2x=Ccos2πx2+0,12,−14
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表达式19: "C" Subscript, "s" , Baseline left parenthesis, "x" , right parenthesis equals left brace, "x" less than negative 1 half : negative 1 half , "x" greater than 1 half : 1 half , "x" , right braceCsx=x<−12:−12,x>12:12,x
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表达式20: "K" left parenthesis, "x" , right parenthesis equals .5 plus .5cosine left parenthesis, 2 pi left parenthesis, "C" Subscript, "s" , Baseline left parenthesis, 6 quarters "x" minus left bracket, 0 , 1 half , 1 , 3 halves , right bracket , right parenthesis , right parenthesis , right parenthesisKx=.5+.5cos2πCs64x−0,12,1,32
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表达式21: "K" left parenthesis, "x" , right parenthesis left bracket, 1 , right bracket plus "K" left parenthesis, "x" , right parenthesis left bracket, 4 , right bracket plus 4.5Kx1+Kx4+4.5
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表达式22: "K" left parenthesis, "x" , right parenthesis left bracket, 2 , right bracket plus 4.5Kx2+4.5
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表达式23: "K" left parenthesis, "x" , right parenthesis left bracket, 3 , right bracket plus 4.5Kx3+4.5
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表达式24: "K" left parenthesis, "x" , right parenthesis left bracket, 1 , right bracket plus "K" left parenthesis, "x" , right parenthesis left bracket, 2 , right bracket plus "K" left parenthesis, "x" , right parenthesis left bracket, 3 , right bracket plus "K" left parenthesis, "x" , right parenthesis left bracket, 4 , right bracketKx1+Kx2+Kx3+Kx4
