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单词
tree exudate
释义
tree exudate
Encyclopedia
农学
树木分泌物
释
tree exudate; tree secreta
树木分泌物
活立木的枝干、叶子、花朵、果实、根系等不同部位在生长过程中自然产生和受刺激产生的气体、液体或固体状物质,和以这些部位及其汁液为食的寄生生物所产生的代谢物或排泄物。通常指具有可收集和加工利用价值的物质。
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risk matching principle
risk matrix
risk measurement
risk mechanism
risk minimization measures
risk model
risk monitoring
risk monitoring for tunnel and underground engineering
risk monitoring of agricultural genetically-modified organisms
risk-need-responsivity model
risk neutral measure
risk-neutral pricing
risk neutral principle
risk of an estimator
risk of a statistical procedure
risk of environmental geological problems
risk of forest fire
risk of maritime traffic
risk of prairie fire
risk of reaction
risk of space radiation
risk of the first kind
risk of the second kind
risk of the third kind
risk on hazards of exotic species
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