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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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A Brief Introduction to Exegetics
A Brief Introduction to Lexicology
A Brief Record of Liangxi Calligraphers and Painters
A Brief Record on Fan Chengmo’s Governance in Fujian
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A Brief Study on the Nanxi Opera of Yuan and Ming Dynasties
A Brief View of Imperial Beijing
A Brighter Summer Day
Abrikosov, Aleksej Alekseevich
Abrikosov Gorkov impurity induced Cooper pairs breaking effect
Abrikosov-Gorkov impurity induced Cooper pairs breaking effect
Abrikosov-Gorkov杂质散射拆对效应
Abrikosov theory
Abrikosov vortex crystal
Abrikosov vortex lattice
Abrikosov vortex state
ABRIXAS X-ray Satellite
ABRIXAS宽带成像X射线卫星
A Broadband Imaging X-ray All-sky Survey X-ray Satellite
abrupt
abrupt analysis
abrupt climate change
abrupt climate events
abrupt curve
abrupt distribution
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