????:1???????????:???????

2?????VX

3???????????

4?????

5?92??95?

?12????20?? ?????,??????12?????????20?6????:

?,12?20??8???21????8??????,???????????????????????????????????????????5~6???????????????7~8????????;???????????????????????????????????????7~8????9???

12?????21????8?22????8????,????????????????????????????????????????????5~6???????????????????7~8?????;????????????????????????????????????????7~8????????????????????????????????????9~10???????

??:

1?????????,????;

2?????????????????????,????????????????????;

3????????,?????????????;

4?????????????,???

???:??