龄级的英文

• age-class

• "级"英文翻译    level; rank; grade
• "龄级表" 英文翻译 :    age-class table
• "龄级期" 英文翻译 :    age-class period
• "年龄级" 英文翻译 :    age class; year class
• "不稳定龄级" 英文翻译 :    unstable age class
• "法正龄级" 英文翻译 :    normal age-class
• "龄级分布" 英文翻译 :    age class distribution
• "龄级结构" 英文翻译 :    age class structure
• "龄级顺序" 英文翻译 :    gradation of age classes
• "龄级组判读" 英文翻译 :    stand age cla in photo interpretation; stand age class in photo interpretation
• "年龄级差" 英文翻译 :    age grading
• "同龄级木" 英文翻译 :    age class
• "优势龄级" 英文翻译 :    dominant age class
• "法正龄级分配" 英文翻译 :    normal age-class distribution
• "法正龄级配置" 英文翻译 :    normal age-class arrangement
• "林分龄级组成" 英文翻译 :    stand age class organization
• "龄过程" 英文翻译 :    rheological processes
• "龄龟" 英文翻译 :    reiki
• "龄动力学" 英文翻译 :    rheodynamics
• "龄的幼虫感染白僵菌" 英文翻译 :    beauveria bassiana vuillant
• "龄代表表示年龄" 英文翻译 :    small tall high little round

• Trend of floral composition in different age - classes of undergrowth vegetations in cupressus funebris plantations in yichang suburb
  宜昌市郊不同龄级柏木人工林下植物区系组成变化趋势
• The negative correlation of the dry matter production to the age class of rhizome indicates level of significance ( p < 0 . 05 , po . ol ) in leymus chinensis , calamagrostis epigeios and c . rigidula populations
  羊草、牛鞭草和硬拂子茅种群根茎的干物质积累量与龄级间的负相关关系达到显著和极显著水平。
• The reproductive tiller is obviously higher than the vegetative , and there is little difference among all of age classes reproductive tiller at height and biomass , but the vegetative tiller is decreasing with the increasing age class
  生殖蘖明显高于营养蘖，但各龄生殖蘖的高度和生产力差异不明显，营养蘖随着龄级的增加而明显下降。
• The bud bank is composed of 3 age classes bud on leymus chinensis , arundinella hirta and hordeum brevisubulatum populations , 2 age classes bud on hemarthria japonica , calamagrostis epigeios and c . rigidula populations . the age structure of bud is obviously an increasing model in all of 6 grass species
  羊草、野古草和野大麦种群芽库由3个龄级组成，牛鞭草、拂子茅和硬拂子茅种群由2个龄级组成， 6种禾草芽库的年龄结构均为明显的增长型。
• Based on the observation data obtained from 69 sampling sites of different age class forests , and by using biomass expansion factor function , the regression equations of stand biomass and volume of the main forest forests in pearl river delta were built , and the regional forest biomass and its dynamics were estimated on the basis of forest inventory data
  摘要利用生物量转换因子连续函数法，通过69组不同龄级的森林样地实测数据，拟合了珠江三角洲主要森林类型的生物量和蓄积量之间的回归方程，并结合3个时段森林清查资料，估算了区域森林生物量及其动态。
• The method of modified simplex was applied to optimize the models , and the fitting results show that liu - logistic model was more suitable than logistic model to the actual growth trend of form . taxus chinensis var . mairei population , and the highest growth rate of basal area was the tenth age class , namely the phase when breast diameter was 68 ~ 76 cm
  以胸高断面积代替种群生物量，分别采用logistic常规模型及刘金福提出的logistic改进模型对南方红豆杉种群的增长动态进行研究，运用改进单纯形法对模型进行优化，拟合结果表明改进模型比logistic常规模型更符合南方红豆杉种群的增长趋势，南方红豆杉种群的最大增长速度出现在第10龄级，即胸径为68 76cm时期。