请输入您要查询的字词:
单词
灰褐土
释义
灰褐土
Encyclopedia
农学
灰褐土
释
Gary-cinnamon forest soil
灰褐土
温带、寒温带干旱和半干旱地区山地旱生森林灌丛植被下发育的土壤。在中国土壤分类暂行草案(1978)及第二次全国土壤普查分类(1988)中,列为半淋溶土土纲灰褐土土类;在中国土壤系统分类中,相当于干润始成土或钙积干润均腐土;在美国土壤系统分类中,部分相当于钙积半干润软土[注]、黏淀半干润软土[注]、弱发育暗色始成土[注];在联合国世界土壤图(1988)图例中,部分相当于弱发育灰色森林土[注]、钙积灰色森林土[注]、腐殖质雏形土[注]单元。20世纪30~40年代,曾称森林棕钙土、森林栗钙土。又称褐色森林土、灰褐色森林土。
随便看
foodborne diseases surveillance
foodborne gastroenteritis caused by Salmonella
foodborne infection
foodborne intoxication
food-borne pathogenic bacteria
food-borne poisoning microorganisms
food-borne transmission
food-borne viral illness
food-borne virus
food-borne virus from aquatic product
food category system
food chain
food chain of aquatic ecosystem
food chain transfer
food chain transfer of marine pollutants
food chemistry
food coating agent
food code
food color
food colorant
food compositions of fish
food composition tables, FCTs
food consumption factor
food container
food contamination
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/6/12 23:43:13