英语词汇crown root ratio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

网络释义

1
?冠根比例
... proportional divider 释义：比例规,比例分配器 crown root ratio 释义：冠根比例 unit dilution ratio 释义：稀释比例单位 ...

短语

1
Crown-to-Root Ratio
修复体冠根比例 ; 种植修复体冠根比例 ; 冠根比例

双语例句

1
Ratio of height and diameter, crown and root, of root cutting seedling were strong with more fibrous root, and higher rate of fungus root infection than untreated normal field seedlings.
切根苗的高径比与冠根比均在壮苗的适宜范围内，须根数量多，菌根感染率高，均明显优于未切根的普通大田亩，这将有效地提高造林质量。
2
The study showed that under the double CO2 concentration, sufficient nitrogen, and no other condition stress, the ratio between root and crown can not be affected by elevated CO2 concentration.
对红皮云杉与白扦研究表明，在CO_2浓度倍增条件下，氮素营养供应充足，其他条件不受到限制时，植物的根冠比不受到大气CO_2浓度升高的影响。

单词	crown root ratio
释义	crown root ratio 简明释义冠根比网络释义 1 ?冠根比例 ... proportional divider 释义：比例规,比例分配器 crown root ratio 释义：冠根比例 unit dilution ratio 释义：稀释比例单位 ... 短语 1 Crown-to-Root Ratio 修复体冠根比例 ; 种植修复体冠根比例 ; 冠根比例双语例句 1 Ratio of height and diameter, crown and root, of root cutting seedling were strong with more fibrous root, and higher rate of fungus root infection than untreated normal field seedlings. 切根苗的高径比与冠根比均在壮苗的适宜范围内，须根数量多，菌根感染率高，均明显优于未切根的普通大田亩，这将有效地提高造林质量。 2 The study showed that under the double CO2 concentration, sufficient nitrogen, and no other condition stress, the ratio between root and crown can not be affected by elevated CO2 concentration. 对红皮云杉与白扦研究表明，在CO_2浓度倍增条件下，氮素营养供应充足，其他条件不受到限制时，植物的根冠比不受到大气CO_2浓度升高的影响。
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