????λ?????? > ?????? > ??????? > ???????D > ?????

?????

?????--????????顷?????

?????????????????3??6?????????20??60?? ????????6?? ?????????6??9?????????60??90?? ????6?? ????6??9?????йк???????????3?????η???????????????6??9?? ????3??6??

?????????Ρ????????????????????????????????????Σ?粡???

???÷??????????400??????????280???????????·????????????????????????????????????????????????????????θ?????????????????????????????????????绬й???????ζ??????????

?????????????δ???????????????????????????????????????????????????ξ????????????轡??????????????????????????????????????????????????????????????????????????????"????????????"??

??????????????顷?????

?????--?????????

???????????10???????10???????10?????15??????15???????15???????15????????15????????15???

?????????Ρ??????澫?????????????????鲻???

???÷????????????????1???????2?Ρ?

???????????????

?????--????????????

???????????10g????15g?????15g??????15g??????15g?????15g?????15g??????10g??????10g??

?????????Ρ?????????????????????飬???????????????????

???÷?????????????????1????

???????á??????????????????68????1979??11??17???????仼???????????????????????????20??????????????????????????????Ч?????????????????Σ????????????????飬??????????????????????????????????巽?????????????????????????м????????????????????????????????40??????????Ч????乬?强???????????????????????????ν?10??????????????20???????????????

??????????????????

?????--???鷽?±????

???????????5???????3?????2???????2???????2??????2???????1??????2??????2???????3??????2???????1???

?????????Ρ???????????ζ??????????????йк?????????Σ??????

???÷?????????????3??????ú?????3????????????????????????????????????6ζ??????????????????湦????2-3????йк??????ü??????????????????1?????йк??????????????????????С????????????????????????????????????????????????

?????????鷽?±????

?????--????????顷??????

?????????????

?????????????????1-2?????????1-2????????????2?????????????2-3?????????2-3??????????2???????2-3????????1??????2-3???????1-2???

?????????Ρ???????????????????????и???????????????

???÷???????????壨????????????????????????????????????????????????????????????????θ??????????????????????????????????й???????飬????ζ??????????η????????????????