db21∕t 2033-2012 根徑-胸徑、地徑-胸徑對(duì)照表 闊葉樹

1、ICS65.020.01B68DB21遼寧省地方標(biāo)準(zhǔn)DB21TXXXX—2012代替DB21T1268—2003根徑—胸徑、地徑—胸徑對(duì)照表闊葉樹（報(bào)批稿）XXXXXXXX發(fā)布XXXXXXXX實(shí)施遼寧省質(zhì)量技術(shù)監(jiān)督局發(fā)布DB21TXXXX—2012I目次前言..................................................................................IV1范圍....

2、............................................................................12術(shù)語(yǔ)和定義..........................................................................13樹種（組）與建模單元?jiǎng)澐?................................................

3、...........14樹種（組）與建模單元?jiǎng)澐?...........................................................15數(shù)學(xué)模型............................................................................25.1根徑—胸徑模擬方程........................................

4、......................25.2地徑—胸徑模擬方程..............................................................26適用范圍(見表3)....................................................................37誤差范圍......................................

5、......................................38根徑—胸徑對(duì)照表....................................................................3表1根徑—胸徑模擬方程及參數(shù)表.......................................................2表2地徑—根徑模擬方程及參數(shù)表.................

6、......................................3表3取值范圍和適用范圍一覽表.........................................................3表4遼寧省硬闊（組）根徑—胸徑對(duì)照表.................................................3表5撫順市軟闊（組）根徑—胸徑對(duì)照表.......................

7、..........................5表6本溪市軟闊（組）根徑—胸徑對(duì)照表.................................................6表7丹東市軟闊（組）根徑—胸徑對(duì)照表.................................................6表8遼東地區(qū)刺槐根徑—胸徑對(duì)照表.........................................

8、............7表9遼南地區(qū)刺槐根—徑胸徑對(duì)照表.....................................................8表10遼西地區(qū)刺槐根—徑胸徑對(duì)照表....................................................9表11遼寧省硬闊（組）地徑—胸徑對(duì)照表...............................................1

9、0表12撫順市軟闊（組）地徑—胸徑對(duì)照表...............................................11表13本溪市軟闊（組）地徑—胸徑對(duì)照表...............................................12表14丹東市軟闊（組）地徑—胸徑對(duì)照表...............................................13表15遼東地區(qū)刺槐地徑—胸徑對(duì)