英语词汇available nitrogen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

短语

1
Contrast to soil available nitrogen, soil total nitrogen was not influenced by the environmental factors.
而优势物种和功能群组成对土壤全氮的影响作用相对较弱。
2
Soil organic matter, total nitrogen, total phosphorus, available nitrogen had middle spatial correlation patterns.
土壤有机质、全氮、全磷、速效氮具有中等空间自相关性。
3
Quaternary red clay total nitrogen content was highest, but the available nitrogen content was lower than Granite soil and Purple sandy shale soil.
第四纪红土土壤全氮含量较高，但是其碱解氮含量比花岗岩母质土壤和紫色砂页岩土壤低。

单词	available nitrogen
释义	available nitrogen 美/ ??ve?l?bl ?na?tr?d??n / 简明释义有效氮：土壤中可以被植物吸收利用的氮元素。网络释义 1 ?有效氮有效氮 2 ?碱解氮碱解氮短语 1 soil available nitrogen 土壤有效氮 ; 土壤速效氮 2 content of available nitrogen 速效n含量 3 rapidly available nitrogen 速效氮双语例句 1 Contrast to soil available nitrogen, soil total nitrogen was not influenced by the environmental factors. 而优势物种和功能群组成对土壤全氮的影响作用相对较弱。 2 Soil organic matter, total nitrogen, total phosphorus, available nitrogen had middle spatial correlation patterns. 土壤有机质、全氮、全磷、速效氮具有中等空间自相关性。 3 Quaternary red clay total nitrogen content was highest, but the available nitrogen content was lower than Granite soil and Purple sandy shale soil. 第四纪红土土壤全氮含量较高，但是其碱解氮含量比花岗岩母质土壤和紫色砂页岩土壤低。
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