表达式23: "P" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cosine left parenthesis, 90 plus "K" Subscript, "C" "T" , Baseline , right parenthesisP1=D1+R1cos90+KCT
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表达式24: "P" Subscript, 2 , Baseline equals "D" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sine left parenthesis, 90 plus "K" Subscript, "C" "T" , Baseline , right parenthesisP2=D2+R1sin90+KCT
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表达式25: "T" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline plus "R" cosine left parenthesis, 90 plus "K" Subscript, "C" "T" , Baseline , right parenthesisT1=C1+Rcos90+KCT
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表达式26: "T" Subscript, 2 , Baseline equals "C" Subscript, 2 , Baseline plus "R" sine left parenthesis, 90 plus "K" Subscript, "C" "T" , Baseline , right parenthesisT2=C2+Rsin90+KCT
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Graphs
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表达式28: polygon left parenthesis, "A" , "B" , "C" , right parenthesispolygonA,B,C
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表达式29: left parenthesis, "D" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cos "t" , "D" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sin "t" , right parenthesisD1+R1cost,D2+R1sint
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表达式30: left parenthesis, "C" Subscript, 1 , Baseline plus "R" cos "t" , "C" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesisC1+Rcost,C2+Rsint
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表达式31: polygon left parenthesis, "A" , "B" , "C" , right parenthesispolygonA,B,C
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表达式32: polygon left parenthesis, "D" , "P" , right parenthesispolygonD,P
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表达式33: polygon left parenthesis, "C" , "T" , right parenthesispolygonC,T
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表达式34: polygon left parenthesis, "P" , "T" , right parenthesispolygonP,T
