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marssonina leaf spot
释义
marssonina leaf spot
Encyclopedia
农学
森林病害
释
marssonina leaf spot
杨树黑斑病
由黑盘孢目杨盘二孢属真菌引起的病害。杨树重要病害之一。
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reciprocal mapping
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reciprocal number
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reciprocal polar curve
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reciprocal polytope
reciprocal prime constant
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reciprocal quadratic forms
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reciprocal spiral
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