表达式17: "E" equals "M" plus 0.0 5 1sine left parenthesis, "M" , right parenthesis plus 1 half 0.0 5 1 squared times sine left parenthesis, 2 "M" , right parenthesisE=M+0.051sinM+120.0512·sin2M
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表达式18: "n" Subscript, "m" "m" "D" "u" "n" "a" , Baseline equals StartFraction, 2 pi Over 65127872.1 4 5 1 2 5 9 , EndFractionnmmDuna=2π65127872.1451259
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表达式19: "M" equals "t" Subscript, "Z" "e" "i" "t" , Baseline "n" Subscript, "m" "m" "D" "u" "n" "a" , BaselineM=tZeitnmmDuna
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表达式20: "v" Subscript, "D" "u" "n" "a" , Baseline equals StartRoot, "P" Subscript, "K" "e" "r" "b" "o" "l" "M" "y" , Baseline times left parenthesis, StartFraction, 2 Over 1000 times "r" Subscript, "D" "u" "n" "a" , Baseline , EndFraction minus StartFraction, 1 Over 20726155264 , EndFraction , right parenthesis , EndRootvDuna=PKerbolMy·21000·rDuna−120726155264
表达式24: negative "r" Subscript, "M" "i" "r" "a" , Baseline times left parenthesis, cos left parenthesis, phi Subscript, "M" "i" "r" "a" , Baseline , right parenthesis , sin left parenthesis, phi Subscript, "M" "i" "r" "a" , Baseline , right parenthesis , right parenthesis−rMira·cosϕMira,sinϕMira
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表达式25: "a" Subscript, "S" "M" , Baseline equals negative 490113552.7 6 0 3 8 6 times 10 to the negative 3rd poweraSM=−490113552.760386·10−3
表达式27: "v" Subscript, "M" "i" "r" "a" , Baseline equals StartRoot, "P" Subscript, "K" "e" "r" "b" "o" "l" "M" "y" , Baseline StartAbsoluteValue, left parenthesis, StartFraction, 2 Over 1000 "r" Subscript, "M" "i" "r" "a" , Baseline , EndFraction minus StartFraction, 1 Over negative 1000 "a" Subscript, "S" "M" , Baseline , EndFraction , right parenthesis , EndAbsoluteValue , EndRootvMira=PKerbolMy21000rMira−1−1000aSM
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表达式28: "r" Subscript, "M" "i" "r" "a" , Baseline equals StartFraction, "a" Subscript, "S" "M" , Baseline times left parenthesis, "c" squared minus 1 , right parenthesis Over 1 plus "c" Subscript, "e" "c" "c" , Baseline times cos left parenthesis, phi Subscript, "M" "i" "r" "a" , Baseline , right parenthesis , EndFractionrMira=aSM·c2ecc−11+cecc·cosϕMira
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表达式29: left parenthesis, "h" Subscript, "P" "e" "r" "i" "a" "p" "s" "i" "s" , Baseline , 0 , right parenthesishPeriapsis,0
