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苗木分级
释义
苗木分级
Encyclopedia
农学
〔苗木培育〕
释
seedling gradation
苗木分级
对需要出圃的苗木按苗木质量标准进行等级划分。目的是使出圃苗达到国家规定标准,保证用壮苗造林,减少造林后的苗木分化现象,提高造林成活率和林木生长量。
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ore sorting
Orest Adamovich Kiprensky
Oresteia
ore storage facilities of concentrators
Oresund Bridge
Oresund Freeway
ore terminal
ore texture and structure
Ore theorem
ore transformer
O. Reynolds
O. Reynolds (1842—1912)
ORF
Orfeo
Orfeo ed Euridice
Orff Music Education
orgametal catalyst
organ
organ abscission
organ chip printing
organ culture
organ dose
organelle
organelle transplantation
organ for administrative compensation
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