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quercus variabilis中文是什么意思

  • 栓皮栎

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  • 例句与用法
  • Histological observation of somatic embryogenesis from cultured embryos of quercus variabilis bi
    栓皮栎体细胞胚胎发生的细胞组织学观察
  • Forestland evapotranspiration and water balance of pinus tabulaefor - mis and quercus variabilis mixed stand
    油松栓皮栎混交林林地蒸散和水量平衡研究
  • The study showed that the quercus variabilis communities in different habitats significantly differentiated in their trait parameters
    研究表明:不同生境的栓皮栎种群性状参数分化差异明显。
  • Time series model can simulate and predict the increase of quercus variabilis population by the difference , periodic method
    摘要时间序列分析可以通过差分、周期的方法,对植物种群的增长进行模拟与预测。
  • From april to october of 2001 , a 31 - year - old pinus tabulaeformis and quercus variabilis mixed stand was studied on forestland evapotranspiration and water balance in western mountainous area of beijing
    摘要2001年4 - 10月,对北京西山地区一块31年生的油松、栓皮栎混交林的林地蒸散和水量平衡进行了研究。
  • The water consumption of transpiration of pinus tabulaeformis and quercus variabilis mixed stand has marked seasonal difference , and the standard specific conductivity of quercus variabilis in the growing season is 2 . 6 times as high as that of pinus tabulaeformis
    油松和栓皮栎混交林的蒸腾耗水表现出明显的季节差异,栓皮栎的生长季标准比导率明显高于油松,是油松的2 . 6倍。
  • We choose the forest appearance tidiness , representative stands serving as standard plots , 40 stands were set up at qinling , hanzhong , huanghong in shaanxi respectively , measure every tree in the stands , measure the actual increase by the dominance tree , the time series model of individual age and diameter of quercus variabilis was established according to the actual diameter of quercus variabilis population by the fluctuant time series , the comparison of simulation and reality value of the every stand of quercus variabilis population diameter increase through the four models , the average simulation difference within 1 . 5 % , the accuracy is 97 . 8 % the simulation effect is better
    在陕西的秦岭、汉中、黄龙地区选择林相整齐、有代表性的地段作为标准地,设置样方40个,对各样方内的林木进行每木检尺,通过优势木解析的方法,测得栓皮栎种群胸径的实际生长量,运用起伏型时间序列分析,建立了栓皮栎种群个体年龄与胸径生长的时间序列模型,四个模型所得的各个样地栓皮栎胸径生长的模拟值与实际值进行比较,其模拟平均误差都在1 . 5 %以内,平均精度达到97 . 8 % ,模拟效果较好。
  • The petiole and leaf lengths and leaf widths and cork thicknesses and seed widths of the quercus variabilis communities appeared to have a second - degree parabola relation with the latitudes of the communities ; the petiole lengths and leaf lengths and cork thickness appeared to have a clear second - degree parabola relation with the elevations of the communities ; the leaf and seed lengths appeared to have a clear positive correlativity with the elevations ; the seed lengths had a typical negative correlation with the elevations
    栓皮栎种群的叶柄长、叶长、叶宽、栓皮厚度、种长和种宽随纬度呈现出二次抛物线关系;叶柄长、叶长和栓皮厚度随海拔高度呈现明显的二次抛物线关系;叶宽和种宽随海拔高度的变化呈现出明显的正线性相关;种长与海拔的关系为一种典型的负线性相关。
  • 百科解释
Quercus variabilis (Chinese Cork Oak) is a species of oak in the section Quercus sect. Cerris, native to a wide area of eastern Asia in China, Japan, and Korea.
详细百科解释
  • 推荐英语阅读
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Last modified time:Sun, 10 Aug 2025 00:29:56 GMT

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