...豆丁网 群覆盖度减少率（CR）外， 尚包括植相变异度（floristic dissimilarity, FD）及指标植物之高度降低率（height reduction, HR），由于后两项指标，并非林务局步道环境监测作业所订之调查项 目，仅以步道边2 m 范围之植群覆盖度减少...
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...有其应用上之缺点或限制，刘儒渊(1993)曾 提出以植群覆盖度减少率(CR)、植相变异度(FD)及指标植物的高度降低率(height reduction, HR) 等三种介量所合成之综合性评估指标-- 植群冲击指数(Index of Vegetation Imp...
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...豆丁网 群覆盖度减少率（CR）外， 尚包括植相变异度（floristic dissimilarity, FD）及指标植物之高度降低率（height reduction, HR），由于后两项指标，并非林务局步道环境监测作业所订之调查项 目，仅以步道边2 m 范围之植群覆盖度减少...
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tree height reduction algorithm [计] 树形结构简化算法
tree height reduction technique 树形结构简化法
Height Reduction ratio 高度减缩比
height reduction by two step 二步法拟合
Last-Engaged-Thread height reduction of pin LET扣
reduction in height 高度压下量
reduction height 高度减少率
Patients without disc height reduction over time were significantly younger than patients with disc height reduction.
没有椎间盘高度丢失的病人随着时间的流逝比有椎间盘高度丢失的病人年轻得多。
Results show that plant growth retardants have obvious effects on white orchid such as height reduction, more flowers and longer blooming period.
结果表明：生长延缓剂对白兰花有明显的形态效应：植株矮化，开花数增多，花期延长。
Results There was a good recovery of alveolar bone after arrachement, and under the effect of corrective force , the hyperplasia and absorption continually occurred with height reduction.
结果拔牙术后牙槽骨愈合良好，在矫治力的作用下，牙槽骨不断出现增生和吸收，并且高度降低。
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