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树木分泌物
释义
树木分泌物
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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open half-line
open half-plane
open half-space
open hearth furnace
open hearth steelmaking
open hemisphere
open herding
openhole cavity completion technology
open hole completion
open hole test
open-hole well logging
open immersion
open inflation
Open Information Extraction
open information source
opening
opening and cleaning machine
opening and closing ceremony of the sports meeting
opening and scutching
opening area along the border
opening-door schooling
opening of a play
opening of a wedge
opening of five treaty ports for foreign trade
opening of Hilbert subspaces
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