?????????????????????????????????
??????10??????????????????????????????????88(??λ ????=t?????????????)???????£??????????????????10?????????90%???????????????????????????????????????(?????????)?????????????????????????
?????????????????
?????????????????????г????????60g?????????55g????55g???м???
????????55g????????88t???????1.6t/g??(???г??55g????????????????????55g?????????????????????????npc????)
???????????????????????????????2????????????????????????????(t)????????????(g)????1.6t/g????????????????????????????(????????????????????1???????????)
??????????????????г?????????????????2???????????????????????????????????????27?????????????????????????162t?????????90g?????????????????????162t/90g=1.8t/g??????????????0.2t/g???????????????????????????????
?????????????npc????????????????????????????????????(??????????????????)????????????????npc??
?????????????88t/49g=1.8t/g??????????????????????????????(??????????????????????????????????88????????????????)
????????СС????????????????п???????????????????????ū???????????????