主要樹種樹高級立木材積表

1、精選優(yōu)質(zhì)文檔-傾情為你奉上DB23B 65黑 龍 江 省 地 方 標(biāo) 準(zhǔn) DB23/482 1998主要樹種樹高級立木材積表19980423發(fā)布 19980601實施黑 龍 江 省 技 術(shù) 監(jiān) 督 局 發(fā) 布黑 龍 江 省 地 方 標(biāo) 準(zhǔn) 主要樹種樹高級立木材積表 BD23/482-19981 范圍本標(biāo)準(zhǔn)給出了不同樹高級立木的材積。本標(biāo)準(zhǔn)適用于市縣林區(qū)森林、疏林中的立木材積。不適用于原條、原木材積。2 引用標(biāo)準(zhǔn)下列標(biāo)準(zhǔn)包含的條文，通過在本標(biāo)準(zhǔn)中引用而構(gòu)成為本標(biāo)準(zhǔn)的條文。在標(biāo)準(zhǔn)出版時，所示版本均為有效。所有標(biāo)準(zhǔn)都會被修訂，使用本標(biāo)準(zhǔn)的各方應(yīng)探討使用下列標(biāo)準(zhǔn)最新版本的可能性。LY208 - 77立

2、木材積表DB/2300B64001 88森林采伐更新技術(shù)規(guī)程3 定義3.1 胸高直徑簡稱胸徑。離地面1.3m胸高位置的樹干直徑。3.2 樹高由地面根際起至樹干主梢尖端的垂直高度。3.3 樹高級根據(jù)立木的平均胸徑和平均樹高之間的一定比例關(guān)系，把胸徑相同樹高不同的立木劃分為若干樹高等級。 BD23/482-19983.4 立木材積立木的體積，一般指立木樹干部分的體積。4 材積計測4.1 計算優(yōu)勢樹種平均胸徑根據(jù)標(biāo)準(zhǔn)地（或樣地）每木檢尺資料，剔除散生木后確定優(yōu)勢樹種，并用直徑平方法(D=di²/n)計算出優(yōu)勢樹種的平均胸徑。精確到0.1cm。4.2 測定平均木樹高根據(jù)優(yōu)勢樹種平均胸徑，在標(biāo)

3、準(zhǔn)地（或樣地）內(nèi)選擇與其相同胸徑的正常優(yōu)勢樹種3株立木作為平均木。優(yōu)勢樹種平均胸徑12cm時，平均木胸徑允許誤差為±1cm；優(yōu)勢樹種平均胸徑12cm時，平均木胸徑允許誤差為±0.5cm。對3株平均木均用測高器測定樹高，并用算術(shù)平均法計算出平均樹高，精確到0.1m。 當(dāng)在標(biāo)準(zhǔn)地（或樣地）內(nèi)選擇平均木有困難時，亦可在標(biāo)準(zhǔn)地（或樣地）外50m范圍內(nèi)相同林分中選擇。4.3 確定樹高級根據(jù)優(yōu)勢樹種平均胸徑和3株平均木的平均樹高，在相應(yīng)樹種的樹高級表中查出樹高等級。根據(jù)優(yōu)勢樹種平均胸徑和3株平均木的平均樹高，在相應(yīng)樹種的樹高級表中查出樹高等級。4.4 查定材積根據(jù)確定的樹高級和立木實際

4、胸徑，分別樹種查樹高級立木材積表。5 數(shù)學(xué)模型及參數(shù)5.1 樹高模型、參數(shù)及樹高級中值升降系數(shù) BD23/482-1998樹 種柞 樹白 樺山 楊人工落葉松樹高模型Lnh=a+b*lnD+c*ln²Dh=D*D/(a+b*D+c*D²D) 參 數(shù)a-0.1.-1.429521.b1.0.0.0.c-0.0.0.0.樹高級中值升降系數(shù)k1.343091.1.1.1.218721.1.1.1.1.1.1.0.1.0.1.0.0.0.0.0.0.0.0.0.0.0.0.5.1 材積模型及參數(shù) BD23/482-1998樹 種柞 樹白 樺人工落葉松山 楊模 型V=CD*D(C1+C

5、2*D+C3*H)*H(C4+C5*D+C6*H)V=D²*H/(C0+C1*D) 參 數(shù) C05.D-055.D-056.D-0523309.11.1.1.171.22.D-022.D-024.D-0238.D-027.D-028.D-02 41.1.1. 5-0.-5.D-02-0. 6-0.-0.-0.注：材積模型中樹高H等于模型中h與樹高級中值升降系數(shù)k的乘積?！啊北硎境朔?。6 柞樹樹高級表 表1 柞樹高級表 BD23/482-1998胸徑各樹高級樹高區(qū)間m5.05.15.25.35.45.55.65.75.85.96.06.16.26.36.46.56.66.76.86.9

6、6.16.26.36.56.66.76.86.97.07.17.37.47.57.67.77.87.98.08.18.26.0-5.56.1-5.66.2-5.76.4-5.86.5-5.96.6-6.06.7-6.16.8-6.26.9-6.47.0-6.57.2-6.67.3-6.77.4-6.87.5-6.97.6-6.97.7-7.07.8-7.17.9-7.28.0-7.38.1-7.45.4-4.95.5-5.05.6-5.15.7-5.25.8-5.35.9-5.46.0-5.56.1-5.66.3-5.76.4-5.86.5-5.86.6-5.96.7-6.06.8-6.16.

7、8-6.26.9-6.37.0-6.47.1-6.57.2-6.57.3-6.64.8-4.34.9-4.45.0-4.55.1-4.65.2-4.75.3-4.75.4-4.85.5-4.95.6-5.05.7-5.15.7-5.15.8-5.25.9-5.36.0-5.46.1-5.56.2-5.56.3-5.66.4-5.76.4-5.86.5-5.84.2-3.74.3-3.84.4-3.94.5-4.04.6-4.04.6-4.14.7-4.24.8-4.24.9-4.35.0-4.45.0-4.45.1-4.55.2-4.65.3-4.65.4-4.75.4-4.85.5-4.85

8、.6-4.95.7-5.05.7-5.03.6-3.13.7-3.23.8-3.33.9-3.33.9-3.44.0-3.44.1-3.54.1-3.64.2-3.64.3-3.74.3-3.74.4-3.84.5-3.84.5-3.94.6-4.04.7-4.04.7-4.14.8-4.14.9-4.24.9-4.23.03.13.23.23.33.33.43.53.53.63.63.73.73.83.93.94.04.04.14.1 續(xù)表1 柞樹高級表 BD23/482-1998胸徑各樹高級樹高區(qū)間m7.07.17.27.37.47.57.67.77.87.98.08.18.28.38.4

9、8.58.68.78.88.98.38.48.58.68.78.88.99.09.19.29.39.49.59.69.79.89.910.010.110.28.2-7.58.3-7.68.4-7.78.5-7.88.6-7.98.7-8.08.8-8.18.9-8.29.0-8.29.1-8.39.2-8.49.3-8.59.4-8.69.5-8.79.6-8.89.7-8.89.8-8.99.9-9.010.0-9.110.1-9.27.4-6.77.5-6.87.6-6.97.7-7.07.8-7.07.9-7.18.0-7.28.1-7.38.1-7.48.2-7.48.3-7.58.4

10、-7.68.5-7.78.6-7.78.7-7.88.7-7.98.8-8.08.9-8.09.0-8.19.1-8.26.6-5.96.7-6.06.8-6.06.9-6.16.9-6.27.0-6.37.1-6.37.2-6.47.3-6.57.3-6.57.4-6.67.5-6.77.6-6.77.6-6.87.7-6.97.8-6.97.9-7.07.9-7.18.0-7.18.1-7.25.8-5.15.9-5.25.9-5.26.0-5.36.1-5.36.2-5.46.2-5.56.3-5.56.4-5.66.4-5.66.5-5.76.6-5.86.6-5.86.7-5.96.

11、8-5.96.8-6.06.9-6.07.0-6.17.0-6.27.1-6.25.0-4.35.1-4.35.1-4.45.2-4.45.2-4.55.3-4.55.4-4.65.4-4.65.5-4.75.5-4.75.6-4.85.7-4.85.7-4.95.8-4.95.8-5.05.9-5.05.9-5.16.0-5.16.1-5.26.1-5.24.24.24.34.34.44.44.54.54.64.64.74.74.84.84.94.95.05.05.15.1續(xù)表1 柞樹高級表 BD23/482-1998胸徑各樹高級樹高區(qū)間m9.09.19.29.39.49.59.69.79.

12、89.910.010.110.210.310.410.510.610.710.810.910.210.310.410.510.610.710.810.910.911.011.111.211.311.411.411.511.611.711.811.810.1-9.310.2-9.310.3-9.410.4-9.510.5-9.610.6-9.610.7-9.710.8-9.810.8-9.910.9-10.011.0-10.011.1-10.111.2-10.211.3-10.311.3-10.311.4-10.411.5-10.511.6-10.511.7-10.611.7-10.79.2-8

13、.39.2-8.39.3-8.48.4-8.59.5-8.59.5-8.69.6-8.79.7-8.89.8-8.89.9-8.99.9-9.010.0-9.010.1-9.110.2-9.210.2-9.210.3-9.310.4-9.310.4-9.410.5-9.510.6-9.58.2-7.38.2-7.38.3-7.48.4-7.58.4-7.58.5-7.68.6-7.68.7-7.78.7-7.88.8-7.88.9-7.98.9-7.99.0-8.09.1-8.09.1-8.19.2-8.29.2-8.29.3-8.39.4-8.39.4-8.47.2-6.37.2-6.37.

14、3-6.47.4-6.47.4-6.57.5-6.57.5-6.67.6-6.67.7-6.77.7-6.77.8-6.87.8-6.87.9-6.97.9-6.98.0-7.08.1-7.08.1-7.18.2-7.18.2-7.28.3-7.26.2-5.36.2-5.36.3-5.46.3-5.46.4-5.56.4-5.56.5-5.56.5-5.66.6-5.66.6-5.76.7-5.76.7-5.86.8-5.86.8-5.86.9-5.96.9-5.97.0-6.07.0-6.07.1-6.07.1-6.15.25.25.35.35.45.45.45.55.55.65.65.7

15、5.75.75.85.85.95.95.96.0續(xù)表1 柞樹高級表 BD23/482-1998胸徑各樹高級樹高區(qū)間m11.011.111.211.311.411.511.611.711.811.912.012.112.212.312.412.512.612.712.812.911.912.012.112.112.212.312.412.412.512.612.712.712.812.913.013.013.113.213.213.311.8-10.811.9-10.812.0-10.912.0-11.012.1-11.012.2-11.112.3-11.212.3-11.212.4-11.31

16、2.5-11.412.6-11.412.6-11.512.7-11.612.8-11.612.9-11.712.9-11.813.0-11.813.1-11.913.1-11.913.2-12.010.7-9.610.7-9.710.8-9.710.9-9.810.9-9.811.0-9.911.1-10.011.1-10.011.2-10.111.3-10.111.3-10.211.4-10.311.5-10.311.5-10.411.6-10.411.7-10.511.7-10.511.8-10.611.8-10.711.9-10.79.5-8.49.6-8.59.6-8.69.7-8.6

17、9.7-8.79.8-8.79.9-8.89.9-8.810.0-8.910.0-8.910.1-9.010.2-9.010.2-9.110.3-9.110.3-9.210.4-9.210.4-9.310.5-9.310.6-9.410.6-9.48.3-7.38.4-7.38.5-7.48.5-7.48.6-7.58.6-7.58.7-7.68.7-7.68.8-7.78.8-7.78.9-7.78.9-7.89.0-7.89.0-7.99.1-7.99.1-8.09.2-8.09.2-8.09.3-8.19.3-8.17.2-6.17.2-6.27.3-6.27.3-6.27.4-6.37

18、.4-6.37.5-6.47.5-6.47.6-6.47.6-6.57.6-6.57.7-6.67.7-6.67.8-6.67.8-6.77.9-6.77.9-6.77.9-6.88.0-6.88.0-6.86.06.16.16.16.26.26.36.36.36.46.46.56.56.56.66.66.66.76.76.7續(xù)表1 柞樹高級表 BD23/482-1998胸徑各樹高級樹高區(qū)間m13.013.113.213.313.413.513.613.713.813.914.014.114.214.314.414.514.614.714.814.913.413.413.513.613.613

19、.713.813.813.914.014.014.114.214.214.314.314.414.514.514.613.3-12.113.3-12.113.4-12.213.5-12.313.5-12.313.6-12.413.7-12.413.7-12.513.8-12.513.9-12.613.9-12.714.0-12.714.1-12.814.1-12.814.2-12.914.2-12.914.3-13.014.4-13.114.4-13.114.5-13.212.0-10.812.0-10.812.1-10.912.2-10.912.2-11.012.3-11.012.3-11.

20、112.4-11.112.4-11.212.5-11.212.6-11.312.6-11.412.7-11.412.7-11.512.8-11.512.8-11.612.9-11.613.0-11.713.0-11.713.1-11.710.7-9.510.7-9.510.8-9.610.8-9.610.9-9.710.9-9.711.0-9.811.0-9.811.1-9.811.1-9.911.2-9.911.3-10.011.3-10.011.4-10.111.4-10.111.5-10.211.5-10.211.6-10.211.6-10.311.6-10.39.4-8.29.4-8.

21、29.5-8.39.5-8.39.6-8.39.6-8.49.7-8.49.7-8.59.7-8.59.8-8.59.8-8.69.9-8.69.9-8.710.0-8.710.0-8.710.1-8.810.1-8.810.1-8.810.2-8.910.2-8.98.1-6.98.1-6.98.2-6.98.2-7.08.2-7.08.3-7.08.3-7.18.4-7.18.4-7.18.4-7.28.5-7.28.5-7.28.6-7.38.6-7.38.6-7.38.7-7.48.7-7.48.7-7.48.8-7.58.8-7.56.86.86.86.96.96.97.07.07.

22、07.17.17.17.27.27.27.37.37.37.47.4續(xù)表1 柞樹高級表 BD23/482-1998胸徑各樹高級樹高區(qū)間m15.015.115.215.315.415.515.615.715.815.916.016.116.216.316.416.516.616.716.816.914.614.714.814.814.914.915.015.115.115.215.215.315.315.415.415.515.615.615.715.714.5-13.214.6-13.314.7-13.314.7-13.414.8-13.414.8-13.514.9-13.515.0-13.6

23、15.0-13.615.1-13.715.1-13.715.2-13.815.2-13.815.3-13.915.3-13.915.4-14.015.5-14.015.5-14.115.6-14.115.6-14.213.1-11.813.2-11.813.2-11.913.3-11.913.3-12.013.4-12.013.4-12.113.5-12.113.5-12.213.6-12.213.6-12.313.7-12.313.7-12.413.8-12.413.8-12.413.9-12.513.9-12.514.0-12.614.0-12.614.1-12.711.7-10.411.

24、7-10.411.8-10.511.8-10.511.9-10.511.9-10.612.0-10.612.0-10.712.1-10.712.1-10.712.2-10.812.2-10.812.3-10.912.3-10.912.3-10.912.4-11.012.4-11.012.5-11.112.5-11.112.6-11.110.3-9.010.3-9.010.4-9.010.4-9.110.4-9.110.5-9.110.5-9.210.6-9.210.6-9.210.6-9.310.7-9.310.7-9.310.8-9.410.8-9.410.8-9.410.9-9.510.9

25、-9.511.0-9.511.0-9.611.0-9.68.9-7.58.9-7.68.9-7.69.0-7.69.0-7.79.0-7.79.1-7.79.1-7.79.1-7.89.2-7.89.2-7.89.2-7.99.3-7.99.3-7.99.3-7.99.4-8.09.4-8.09.4-8.09.5-8.19.5-8.17.47.57.57.57.67.67.67.67.77.77.77.87.87.87.87.97.97.98.08.0續(xù)表1 柞樹高級表 BD23/482-1998胸徑各樹高級樹高區(qū)間m17.017.117.217.317.417.517.617.717.817

26、.918.018.118.218.318.418.518.618.718.818.915.815.815.915.916.016.016.116.116.216.216.316.316.416.416.516.516.616.616.716.715.7-14.215.7-14.315.8-14.315.8-14.415.9-14.415.9-14.516.0-14.516.0-14.616.1-14.616.1-14.716.2-14.716.2-14.716.3-14.816.3-14.816.4-14.916.4-14.916.5-15.016.5-15.016.6-15.116.6-15

27、.114.1-12.714.2-12.714.2-12.814.3-12.814.3-12.914.4-12.914.4-13.014.5-13.014.5-13.014.6-13.114.6-13.114.6-13.214.7-13.214.7-13.214.8-13.314.8-13.314.9-13.414.9-13.415.0-13.415.0-13.512.6-11.212.6-11.212.7-11.212.7-11.312.8-11.312.8-11.412.9-11.412.9-11.412.9-11.513.0-11.513.0-11.513.1-11.613.1-11.61

28、3.1-11.613.2-11.713.2-11.713.3-11.713.3-11.813.3-11.813.4-11.811.1-9.611.1-9.711.1-9.711.2-9.711.2-9.811.3-9.811.3-9.811.3-9.911.4-9.911.4-9.911.4-10.011.5-10.011.5-10.011.5-10.011.6-10.111.6-10.111.6-10.111.7-10.211.7-10.211.7-10.29.5-8.19.6-8.19.6-8.29.6-8.29.7-8.29.7-8.29.7-8.39.8-8.39.8-8.39.8-8

29、.49.9-8.49.9-8.49.9-8.49.9-8.510.0-8.510.0-8.510.0-8.510.1-8.610.1-8.610.1-8.68.08.08.18.18.18.18.28.28.28.38.38.38.38.48.48.48.48.58.58.5續(xù)表1 柞樹高級表 BD23/482-1998胸徑各樹高級樹高區(qū)間m19.019.119.219.319.419.519.619.719.819.920.020.120.220.320.420.520.620.720.820.916.816.816.916.917.017.017.017.117.117.217.217.3

30、17.317.417.417.417.517.517.617.616.7-15.116.7-15.216.8-15.216.8-15.316.9-15.316.9-15.316.9-15.417.0-15.417.0-15.517.1-15.517.1-15.617.2-15.617.2-15.617.3-15.717.3-15.717.3-15.717.4-15.817.4-15.817.5-15.917.5-15.915.0-13.515.1-13.515.1-13.615.2-13.615.2-13.715.2-13.715.3-13.715.3-13.815.4-13.815.4-13

31、.815.5-13.915.5-13.915.5-14.015.6-14.015.6-14.015.6-14.115.7-14.115.7-14.115.8-14.215.8-14.213.4-11.913.4-11.913.5-11.913.5-12.013.6-12.013.6-12.013.6-12.113.7-12.113.7-12.113.7-12.213.8-12.213.8-12.213.9-12.313.9-12.313.9-12.314.0-12.414.0-12.414.0-12.414.1-12.514.1-12.511.8-10.311.8-10.311.8-10.31

32、1.9-10.311.9-10.411.9-10.412.0-10.412.0-10.512.0-10.512.1-10.512.1-10.512.1-10.612.2-10.612.2-10.612.2-10.612.3-10.712.3-10.712.3-10.712.4-10.712.4-10.810.2-8.610.2-8.710.2-8.710.2-8.710.3-8.710.3-8.710.3-8.810.4-8.810.4-8.810.4-8.810.4-8.910.5-8.910.5-8.910.5-8.910.5-9.010.6-9.010.6-9.010.6-9.010.6

33、-9.010.7-9.18.58.68.68.68.68.68.78.78.78.78.88.88.88.88.98.98.98.98.99.0續(xù)表1 柞樹高級表 BD23/482-1998胸徑各樹高級樹高區(qū)間m21.021.121.221.321.421.521.621.721.821.922.022.122.222.322.422.522.622.722.822.917.717.717.717.817.817.917.917.918.018.018.118.118.118.218.218.318.318.318.418.417.6-15.917.6-16.017.6-16.017.7-16

34、.117.7-16.117.8-16.117.8-16.217.8-16.217.9-16.217.9-16.318.0-16.318.0-16.318.0-16.418.1-16.418.1-16.518.2-16.518.2-16.518.2-16.618.3-16.618.3-16.615.8-14.215.9-14.315.9-14.316.0-14.316.0-14.416.0-14.416.1-14.416.1-14.516.1-14.516.2-14.516.2-14.616.2-14.616.3-14.616.3-14.716.4-14.716.4-14.716.4-15.71

35、6.5-14.816.5-14.816.5-14.814.1-12.514.2-12.514.2-12.614.2-12.614.3-12.614.3-12.714.3-12.714.4-12.714.4-12.714.4-12.814.5-12.814.5-12.814.5-12.914.6-12.914.6-12.914.6-12.914.6-13.014.7-13.014.7-13.014.7-13.112.4-10.812.4-10.812.5-10.912.5-10.912.5-10.912.6-10.912.6-11.012.6-11.012.6-11.012.7-11.012.7

36、-11.112.7-11.112.8-11.112.8-11.112.8-11.112.8-11.212.9-11.212.9-11.212.9-11.213.0-11.310.7-9.110.7-9.110.8-9.110.8-9.110.8-9.210.8-9.210.9-9.210.9-9.210.9-9.310.9-9.311.0-9.311.0-9.311.0-9.311.0-9.411.0-9.411.1-9.411.1-9.411.1-9.411.1-9.511.2-9.59.09.09.09.09.19.19.19.19.29.29.29.29.29.39.39.39.39.3

37、9.49.4續(xù)表1 柞樹高級表 BD23/482-1998胸徑各樹高級樹高區(qū)間m23.023.123.223.323.423.523.623.723.823.924.024.124.224.324.424.524.624.724.824.918.518.518.518.618.618.618.718.718.718.818.818.918.918.919.019.019.019.119.119.118.4-16.718.4-16.718.4-16.718.5-16.818.5-16.818.5-16.818.6-16.918.6-16.918.6-16.918.7-17.018.7-17.01

38、8.8-17.018.8-17.118.8-17.118.9-17.118.9-17.218.9-17.219.0-17.219.0-17.219.0-17.316.6-14.916.6-14.916.6-14.916.7-15.016.7-15.016.7-15.016.8-15.016.8-15.116.8-15.116.9-15.116.9-15.216.9-15.217.0-15.217.0-15.317.0-15.317.1-15.317.1-15.317.1-15.417.1-15.417.2-15.414.8-13.114.8-13.114.8-13.114.9-13.214.9

39、-13.214.9-13.214.9-13.215.0-13.315.0-13.315.0-13.315.1-13.315.1-13.415.1-13.415.2-13.415.2-13.415.2-13.515.2-13.515.3-13.515.3-13.515.3-13.613.0-11.313.0-11.313.0-11.313.1-11.413.1-11.413.1-11.413.1-11.413.2-11.413.2-11.513.2-11.513.2-11.513.3-11.513.3-11.613.3-11.613.3-11.613.4-11.613.4-11.613.4-11

40、.713.4-11.713.5-11.711.2-9.511.2-9.511.2-9.511.3-9.611.3-9.611.3-9.611.3-9.611.3-9.611.4-9.611.4-9.711.4-9.711.4-9.711.5-9.711.5-9.711.5-9.811.5-9.811.5-9.811.6-9.811.6-9.811.6-9.89.49.49.49.59.59.59.59.59.59.69.69.69.69.69.79.79.79.79.79.7續(xù)表1 柞樹高級表 BD23/482-1998胸徑各樹高級樹高區(qū)間m25.025.125.225.325.425.525

41、.625.725.825.926.026.126.226.326.426.526.626.726.826.919.219.219.219.319.319.319.419.419.419.519.519.519.619.619.619.719.719.719.819.819.1-17.319.1-17.319.1-17.419.2-17.419.2-17.419.2-17.519.3-17.519.3-17.519.3-17.519.4-17.619.4-17.619.4-17.619.5-17.719.5-17.719.5-17.719.6-17.719.6-17.819.6-17.819.7

42、-17.819.7-17.917.2-15.417.2-15.517.3-15.517.3-15.517.3-15.617.4-15.617.4-15.617.4-15.617.4-15.717.5-15.717.5-15.717.5-15.717.6-15.817.6-15.817.6-15.817.6-15.817.7-15.917.7-15.917.7-15.917.8-15.915.3-13.615.4-13.615.4-13.615.4-13.715.5-13.715.5-13.715.5-13.715.5-13.815.6-13.815.6-13.815.6-13.815.6-13

43、.815.7-13.915.7-13.915.7-13.915.7-13.915.8-14.015.8-14.015.8-14.015.8-14.013.5-11.713.5-11.713.5-11.813.6-11.813.6-11.813.6-11.813.6-11.813.7-11.913.7-11.913.7-11.913.7-11.913.7-11.913.8-12.013.8-12.013.8-12.013.8-12.013.9-12.013.9-12.113.9-12.113.9-12.111.6-9.911.6-9.911.7-9.911.7-9.911.7-9.911.7-9.911.7-10.011.8-10.011.8-10.011