1) nutrient element resources
养分元素资源
1.
his paper studies the migration of nutrient element resources of the forest land after clear cutting and prescribed burning.
本文研究了林地皆伐火烧后生物量和养分元素资源迁移状况。
2) P amount in animal manure
磷素养分资源
1.
The P amount in animal manure in 2002 was studied based on the calculating method in the book "Records of Nutrients in Organic Fertilizer in China".
参照中国有机肥料养分志计算粪尿资源量的方法,研究了2002年我国畜禽粪尿磷素养分资源的状况及其分布。
3) nutrient resources
养分资源
1.
The theory and technology of nutrient resources integrated management and their application on high yield wheat-maize rotation system;
养分资源管理的理论和技术及其在小麦玉米高产轮作中的应用
2.
Hence,more attention should be paid to the recycling utilization of nutrient resources in organic manur.
22倍,重视有机肥养分资源的再循环利用,有利于农业的可持续发展。
4) nutrient elements
养分元素
1.
The results showed that: 1) the growth index of treated forest were all significantly greater than those of the blank forest; 2) the concentrations of nutrient elements N, P and K in different compartments were all higher.
结果显示:1)处理林地林木的树高、基径、胸径均显著大于对照林地;2)处理林地植物-土壤系统中各分室的养分元素N、P、K含量均大于对照林地对应值;3)两个林地中养分元素的分布格局均为:叶>粗枝>根>土;4)两个林地植物-土壤系统各分室的养分元素有着相似的季节变化。
6) education resource element
教育资源元素材
1.
It is a process with long-term development and incessant extend and perfect for building well applied education resource element base.
针对教育资源元素材种类多、独立性强等特点,研究了概念聚类方法解决领域知识的分类和归并问题,并实现了概念的动态聚类算法和归并算法,分析了该算法的效率和聚类准确性。
补充资料:森林资源(见世界森林资源、中国森林资源)
森林资源(见世界森林资源、中国森林资源)
forest resources
sen Iin ziyuon森林资源(forest resources)见世界森林资源、中国森林资源。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条