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

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

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

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

???:?????

“???????????”????

?? ??????50??????????? ???“??”

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

2?????

3???3??400??????

4????????150???

5????????????

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

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

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

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

???:?????