AB |
AC |
BA |
BC |
AC |
BC |
AC |
BC |
AC |
BC |
6 |
BA |
BC |
AB |
AC |
BC |
AB |
AC |
BA |
BC |
AB |
AC |
BC |
AC |
BC |
AC |
BC |
AC |
BC |
AC |
BC |
AC |
BC |
AC |
BC |
AC |
BC |
AB |
6 |
AC |
BC |
AC |
BC |
3 |
BA |
BC |
|
|
3 |
(t-1)2+1 |
BA |
BC |
3 |
a |
b |
a |
b |
a |
b |
A.±
| B.±
| C.±
| D.±
|
a |
b |
a |
b |
a |
b |
a |
b |
2π |
3 |
a |
b |
a |
b |
c |
a |
b |
c |
a |
b |
c |
A.4 | B.10 | C.4或10 | D.2或
|
e1 |
e2 |
e1 |
e2 |
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