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层积处理
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层积处理
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农学
﹝经济林栽培﹞
释
stratification
层积处理
将种子与河沙、泥炭、锯末等湿润物按一定的比例混合或分层放置,在一定温度、适宜的湿度和通气条件下,层积一定时间后解除种子休眠,促进种子萌发的一种催芽方法。
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occupational qualification
occupational radiation sickness
occupational respiratory diseases
Occupational Safety and Health Convention
occupational safety and health standards
occupational segregation by sex
occupational skills
occupational skin cancer
occupational skin disease
occupational skin impregnation erosion
occupational skin warts
occupational stereotype
occupational stress
occupational stress and behavior
occupational stress mechanism
occupational teratogen
occupational thallium poisoning
occupational therapy
occupational toxic hepatopathy
occupational toxicology
occupational tumor
occupational ulcers
occupational / vocational preferences
occupational/workplace health promotion
occupation health
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