表达式11: left parenthesis, negative 2cos left parenthesis, 16 plus StartFraction, 3 Over 1 plus "e" Superscript, negative 1 plus "t" Subscript, 1 , Baseline , Baseline , EndFraction , right parenthesis , negative 2sin left parenthesis, negative 10 plus StartFraction, 10 Over 1 plus "e" Superscript, negative 20 plus 20 "t" Subscript, 1 , Baseline , Baseline , EndFraction , right parenthesis , right parenthesis−2cos16+31+e−1+t1,−2sin−10+101+e−20+20t1
11
表达式12: left parenthesis, negative 4cos left parenthesis, negative 16 plus StartFraction, 2 Over 1 plus "e" Superscript, 1 minus "t" Subscript, 1 , Baseline , Baseline , EndFraction , right parenthesis , negative 2sin left parenthesis, negative 10 plus StartFraction, 10 Over 1 plus "e" Superscript, 20 minus 20 "t" Subscript, 1 , Baseline , Baseline , EndFraction , right parenthesis , right parenthesis−4cos−16+21+e1−t1,−2sin−10+101+e20−20t1
表达式15: "a" equals left bracket, 1...3 0 , right bracketa=1...30
15
表达式16: left parenthesis, "r" sin left parenthesis, StartFraction, pi Over 15 , EndFraction "a" , right parenthesis , "r" cos left parenthesis, StartFraction, pi Over 15 , EndFraction "a" , right parenthesis , right parenthesisrsinπ15a,rcosπ15a
16
表达式17: left parenthesis, StartFraction, "r" "t" Subscript, 1 , Baseline Over 10 , EndFraction sin left parenthesis, StartFraction, pi Over 15 , EndFraction "a" , right parenthesis , "r" cos left parenthesis, StartFraction, pi Over 15 , EndFraction "a" , right parenthesis , right parenthesisrt110sinπ15a,rcosπ15a
17
表达式18: left parenthesis, StartFraction, "r" "t" Subscript, 1 , Baseline Over 10 , EndFraction cos left parenthesis, StartFraction, pi Over 15 , EndFraction "a" , right parenthesis , StartFraction, "r" Over 5 , EndFraction sin left parenthesis, StartFraction, pi Over 15 , EndFraction "a" , right parenthesis , right parenthesisrt110cosπ15a,r5sinπ15a
18
表达式19: left parenthesis, StartFraction, "r" "t" Subscript, 1 , Baseline Over 10 , EndFraction cos left parenthesis, StartFraction, pi Over 15 , EndFraction "a" , right parenthesis , StartFraction, "r" Over 5 , EndFraction cos left parenthesis, StartFraction, pi Over 15 , EndFraction "a" , right parenthesis , right parenthesisrt110cosπ15a,r5cosπ15a
19
表达式20: left parenthesis, StartFraction, "r" "t" Subscript, 1 , Baseline Over 5 , EndFraction sin left parenthesis, StartFraction, pi Over 15 , EndFraction "a" , right parenthesis , StartFraction, "r" Over 5 , EndFraction cos left parenthesis, StartFraction, pi Over 15 , EndFraction "a" , right parenthesis , right parenthesisrt15sinπ15a,r5cosπ15a
