英语词汇diameter class怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词

diameter class

释义

diameter class

简明释义

[林] 径阶
[林] 径级

网络释义

1
[林]?径级
... diameter accretion 直径增长 diameter class 径级 diameter increment 直径增量 ...
2
[林]?检尺径
... 检尺径 diameter class 碱木（质）素 alkali lignin 渐伐 shelterwood cutting ...
3
[林]?径阶
... 更新采伐 regeneration cutting 径阶 diameter class 龄级 age classes ...
4
?直径级
... 胸高直径 (D. B. H.) Diameter breast high 直径级 Diameter class 直径因子 Diameter factor ...

短语

1
diameter-class
径级
2
root diameter class
根径级
3
each diameter class
各径阶

双语例句

1
The population density decreases with the increase of diameter class.
种群密度随径级增大而减小。
2
Tree density in the forest decreased with the increases of height class and diameter class, whereas species abundance did not increase.
栎类次生林乔木的密度随高度级、径级的增加而递减，但树种丰富度却不随树木的密度增加而增加。
3
Both the Numbers of tree species and tree density decreased as height class or diameter class increased, fitting both negative exponential and negative power equations.
树种数和树木的密度都随高度级、径级的增加而呈负指数或负幂函数递减。

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单词	diameter class
释义	diameter class 简明释义 [林] 径阶 [林] 径级网络释义 1 [林]?径级 ... diameter accretion 直径增长 diameter class 径级 diameter increment 直径增量 ... 2 [林]?检尺径 ... 检尺径 diameter class 碱木（质）素 alkali lignin 渐伐 shelterwood cutting ... 3 [林]?径阶 ... 更新采伐 regeneration cutting 径阶 diameter class 龄级 age classes ... 4 ?直径级 ... 胸高直径 (D. B. H.) Diameter breast high 直径级 Diameter class 直径因子 Diameter factor ... 短语 1 diameter-class 径级 2 root diameter class 根径级 3 each diameter class 各径阶双语例句 1 The population density decreases with the increase of diameter class. 种群密度随径级增大而减小。 2 Tree density in the forest decreased with the increases of height class and diameter class, whereas species abundance did not increase. 栎类次生林乔木的密度随高度级、径级的增加而递减，但树种丰富度却不随树木的密度增加而增加。 3 Both the Numbers of tree species and tree density decreased as height class or diameter class increased, fitting both negative exponential and negative power equations. 树种数和树木的密度都随高度级、径级的增加而呈负指数或负幂函数递减。
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