表达式21: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesisM1+Rcost,M2+Rsint
21
表达式22: left parenthesis, "R" Subscript, 1 , Baseline cos "t" , "R" Subscript, 1 , Baseline sin "t" , right parenthesisR1cost,R1sint
22
表达式23: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesisM1+Rcost,M2+Rsint
23
表达式24: left parenthesis, "R" Subscript, 1 , Baseline cos "t" , "R" Subscript, 1 , Baseline sin "t" , right parenthesisR1cost,R1sint
24
表达式25: polygon left parenthesis, "A" , "B" , "C" , right parenthesispolygonA,B,C
25
Points
对学生隐藏该文件夹。
26
NEW.jpg
更换图片
中心：
center: left parenthesis, negative 5.0 3 , 7.0 6 , right parenthesis−5.03,7.06
宽度：
width: 3.5 7 23.572
角度：
angle: 00
高度：
height: 3.5 7 23.572
不透明度：
opacity: 11
27
表达式28: "O" equals left parenthesis, "O" Subscript, 1 , Baseline , "O" Subscript, 2 , Baseline , right parenthesisO=O1,O2
28
表达式29: "A" equals left parenthesis, "A" Subscript, 1 , Baseline , "A" Subscript, 2 , Baseline , right parenthesisA=A1,A2
29
表达式30: "B" equals left parenthesis, "B" Subscript, 1 , Baseline , "B" Subscript, 2 , Baseline , right parenthesisB=B1,B2
30
表达式31: "C" equals left parenthesis, "C" Subscript, 1 , Baseline , "C" Subscript, 2 , Baseline , right parenthesisC=C1,C2
31
表达式32: "M" equals left parenthesis, "M" Subscript, 1 , Baseline , "M" Subscript, 2 , Baseline , right parenthesisM=M1,M2
