表达式42: polygon left parenthesis, StartFraction, "s" Over 2 , EndFraction plus "E" Subscript, 1 , Baseline cos "l" , StartFraction, "s" Over 2 , EndFraction plus "E" Subscript, 1 , Baseline sin "l" , right parenthesispolygons2+E1cosl,s2+E1sinl
42
表达式43: polygon left parenthesis, "G" , "M" , "N" , right parenthesispolygonG,M,N
43
表达式44: polygon left parenthesis, "E" , "K" , "T" , right parenthesispolygonE,K,T
44
表达式45: polygon left parenthesis, "F" , "L" , "V" , right parenthesispolygonF,L,V
45
表达式46: polygon left parenthesis, "H" , "J" , "P" , right parenthesispolygonH,J,P
46
表达式47: polygon left parenthesis, "F" , "M" , "H" , "K" , right parenthesispolygonF,M,H,K
47
表达式48: polygon left parenthesis, "A" , "B" , "C" , "D" , right parenthesispolygonA,B,C,D
48
表达式49: polygon left parenthesis, "E" , "F" , "G" , "H" , right parenthesispolygonE,F,G,H
49
表达式50: polygon left parenthesis, "J" , "K" , "L" , "M" , right parenthesispolygonJ,K,L,M