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????. ????????????,???????????????????????:????????????????????:(1)?????????????-???(2)?????????????????-???. ??? ?????? . ?? ???????????????(Stand diameter distribution)????????????????,?????????????????????????????????????,??????????????????,???????????????????????????????????????????????

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    1. ?3? ???? ???? ?????? ?????????? ??????

    2. ???? ????????????,??????????????????? ????:???????????? ????????: (1)?????????????-??? (2)?????????????????-???

    3. ??? ?????? ?? ????????? ??????(Stand diameter distribution)—???????????????,?????????? ??????????????????? ????????,??????????????????,????????????????????????????? ??????????????????????

    4. ??????????? 1)?????????????????,??????????????,??????????????????????????????????? 2)??????????????????(?????????????)?????? 3)???????????????????????????????? 4)????????,????????????(?????)????????

    5. ?????????? (?)?????? ????-???????????:?????????( )???????????????????????????????????????? ??????????

    6. (?)?????? ???? ??????

    7. (?)???????????? ????????: ????: ??(skewness): ??(kurtosis):

    8. (?)???????? ??????????????????????? : ????(Dg):????; ????(CD):????; ??(a3):??(a3>0,??) ???(a3=0) ???(a3<0,??); ??(a4):???(a4>0) ???(a4=0) ????(a4<0)?

    9. ????????

    10. (?)?????? ????(Ri) :Ri=Di/Dg ??????(Dg)?R=1.0 ????????????Rmax=1.7~1.8 ???????Rmin=0.4~0.5 ??????????????????1.7~1.8?,???????0.4~0.5?? ?????????Dg?Dmin?Dmax

    11. ????????????? ?: ??????????,??????99.7%?? ????: ????: ?CD>1/3?,Rmin????,???????

    12. (?)?????? ?????????????,???????????????????,?????????????????,?????????????????????????????????? ???????????????????,?????????????????,???????(Dg)????????????????55%~64%,????60%??

    13. (?)?????? ???? :??????0.1???????? ? ????????????

    14. ???????????

    15. ????????? ?????????????????????????“J”???,???????????????????

    16. ?????????

    17. ??????????????? ???? -“?????????????????????????????????”? ?????????,???????????????,???????????????? ??????????,??????????????,???????????????,?????????????? ?????????????????????????,????????????????????

    18. ??? ?????????? ?????????????? (?)????? : (?)??????? ?20???,???????????????????????? ?????????????????????,?????????????,??????????: ?????Weibull???G???ß???SB???? ???????????????????????,Weibull????????

    19. (1)???? ???????????(pdf)?: ??: d—???????; —????????; dD —???????

    20. (2)Weibull?? ???Weibull?????????(pdf)?: ??:a—????(???????????); b—????; c—???? ??????:????????????????

    21. Weibull??

    22. (?)???????? ?????????????????; ????????Weibull???? ; ??pdf?????????; ?????????:?2—???K-S?? ? ?????????????

    23. ????????????? ?????? ??????? :ß???Weibull???? ? ?????????? ??: ??:a—??????????????????; K—????????

    24. ??? ?????? ?????????? ????,????????????????,????????,????????? ?????????????????????????????????????? ????(Rh)= ?????,??????,Rh=0.6~1.2

    25. ?? ????????? ??????????? : ????????????? ?????????,????????????????? ??????????????????????????????6~8m;?????????????????????????????????,?????????????????? ????????,?????????????????(HD)?

    26. ??????

    27. ??????

    28. ?? ?????????????? ?????????????,?????????????????? ??Weibull????????????????,?????????????? ???????????????????????,?????????Weibull??,??????????Weibull??? ???SBB????????-?????

    29. END

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