???????????????????淨(jìng) ????????????????? ??????????????? ?????????淨(jìng)???? ????????????????????????? ??????????淨(jìng)????????????????淨(jìng)??????????????????8??27-9??13??23??59??? ???????淨(jìng)?? 1?????????????????~ 2.??????????????1????988??????5??С???????222??????????????????δ??? 3????????????????——?????????????????????????????????????~ 4??????????????????????????????????????′ξ????????η????????????????????120?? ??????????С?????10????24С???????????????????100G??????????????~ ??????????????10G???????10??~ ?????????????????????????????~
1?????????????????????????????????и????????~ 2?????????????????????????????????????????????G??????????
3????????2?????????200???????~
3????????????????50G??~
4??С?????2?????????С????????~
???????????????????????????
1??????У????6000??????????????988???? 2??????С??1200????????????????222???~ 3???????????5??????С????6000???????????4000?????????????δ????????~ ????????????????淨(jìng)???????????淨(jìng)??????????~ ??????????? |
?????α????ī??