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

2????????

3??????????

4???95?

5????????150?

7????4???????????????,???????????????????,??50?????????,????????“???”???????????????,????

“???????????”????????????????????????,??????????1998?????????????????????? CCD???“1998QJ5”(???)??“????”????140?????,??????4.47???,????6????????????,???????2.1???????????

??,??????????????,?,??????????????222???????

?????????????????????????????????????????????????,?????,?????????“?”????,???????????????????????????????????????,?????????????????????????????(? ??????????)

????????????????????????:????????????????