AB |
DF |
CD |
BC |
FA |
AB |
MB |
BO |
BC |
OM |
AB |
DF |
CD |
BC |
FA |
AB |
BC |
CD |
DF |
FA |
AF |
FA |
0 |
AB |
MB |
BO |
BC |
OM |
AB |
BC |
MB |
BO |
OM |
AC |
MB |
BM |
AC |
MB |
BM |
AC |
0 |
AC |
0 |
AC |
AB |
a |
AC |
b |
a |
b |
AD |
CA |
AB |
BD |
A.
| B.
| C.
| D.
|
AP |
AB |
AC |
BP |
BA |
BC |
AP |
BP |
CP |
PA |
PB |
PC |
0 |
A.0个 | B.1个 | C.2个 | D.3个 |
A.向东南航行
| B.向东南航行2km | ||
C.向东北航行
| D.向东北航行2km |
OA |
OB |
CO |
0 |
A.30° | B.60° | C.90° | D.120° |
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