表达式22: "Y" left parenthesis, "u" , "v" , right parenthesis equals left parenthesis, 1 minus "v" , right parenthesis left parenthesis, left parenthesis, 1 minus "u" , right parenthesis "A" left bracket, 2 , right bracket plus "u" "B" left bracket, 2 , right bracket , right parenthesis plus "v" left parenthesis, left parenthesis, 1 minus "u" , right parenthesis "C" left bracket, 2 , right bracket plus "u" "D" left bracket, 2 , right bracket , right parenthesisYu,v=1−v1−uA2+uB2+v1−uC2+uD2
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表达式23: "Z" left parenthesis, "u" , "v" , right parenthesis equals left parenthesis, 1 minus "v" , right parenthesis left parenthesis, left parenthesis, 1 minus "u" , right parenthesis "A" left bracket, 3 , right bracket plus "u" "B" left bracket, 3 , right bracket , right parenthesis plus "v" left parenthesis, left parenthesis, 1 minus "u" , right parenthesis "C" left bracket, 3 , right bracket plus "u" "D" left bracket, 3 , right bracket , right parenthesisZu,v=1−v1−uA3+uB3+v1−uC3+uD3
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表达式24: "X" Subscript, "e" , Baseline left parenthesis, "u" , "v" , right parenthesis equals StartFraction, "X" left parenthesis, "u" , "v" , right parenthesis Over "Z" left parenthesis, "u" , "v" , right parenthesis , EndFractionXeu,v=Xu,vZu,v
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表达式25: "Y" Subscript, "e" , Baseline left parenthesis, "u" , "v" , right parenthesis equals StartFraction, "Y" left parenthesis, "u" , "v" , right parenthesis Over "Z" left parenthesis, "u" , "v" , right parenthesis , EndFractionYeu,v=Yu,vZu,v
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表达式26: left parenthesis, "X" Subscript, "e" , Baseline left parenthesis, "t" , "V" left parenthesis, "t" , right parenthesis , right parenthesis , "Y" Subscript, "e" , Baseline left parenthesis, "t" , "V" left parenthesis, "t" , right parenthesis , right parenthesis , right parenthesis , left parenthesis, "X" Subscript, "e" , Baseline left parenthesis, "t" , 1 minus "V" left parenthesis, "t" , right parenthesis , right parenthesis , "Y" Subscript, "e" , Baseline left parenthesis, "t" , 1 minus "V" left parenthesis, "t" , right parenthesis , right parenthesis , right parenthesisXet,Vt,Yet,Vt,Xet,1−Vt,Yet,1−Vt
定义域t最小值： 00
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 11
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表达式27: "V" left parenthesis, "t" , right parenthesis equals 1 half plus StartRoot, 1 quarter minus left parenthesis, "t" minus 1 half , right parenthesis squared , EndRootVt=12+14−t−122
