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单词
forest pests
释义
forest pests
Encyclopedia
农学
森林保护学
释
forest pests
林业有害生物
对林木有害的任何植物、动物或病原体的种、株(或品系)或生物型,包括害虫、病害、鼠(兔)害、有害植物。
理学
森林虫害
释
forest pests
森林虫害
森林中的树木受到农作物害虫的侵害,减少产木量,降低品质的现象。
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flatness
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flatness factor
flatness measurement
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flatness of field
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