表达式6: "d" Subscript, "o" "t" , Baseline left parenthesis, "n" Subscript, "o" "r" "m" , Baseline left parenthesis, "T" Subscript, 2 , Baseline , "T" Subscript, 3 , Baseline , right parenthesis , left parenthesis, "x" , "y" , right parenthesis , right parenthesis equals "d" Subscript, "e" "t" , Baseline left parenthesis, "T" Subscript, 2 , Baseline , "T" Subscript, 3 , Baseline , right parenthesisdotnormT2,T3,x,y=detT2,T3
6
表达式7: "S" Subscript, "k" "m" , Baseline left bracket, 3 , right bracket left parenthesis, 1 minus "t" , right parenthesis plus "T" Subscript, 2 , Baseline "t"Skm31−t+T2t
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
11
定义域t最大值：
7
表达式8: "S" Subscript, "k" "m" , Baseline left bracket, 2 , right bracket left parenthesis, 1 minus "t" , right parenthesis plus "T" Subscript, 3 , Baseline "t"Skm21−t+T3t
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
11
定义域t最大值：
8
表达式9: "s" Subscript, "k" , Baseline left bracket, 2 , right bracket less than "x" less than "s" Subscript, "k" , Baseline left bracket, 3 , right bracketsk2<x<sk3
