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单词
tree secreta
释义
tree secreta
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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System of Mixed Court
system of national accounts
system of natural deduction
system of natural derivations
system of natural inference
system of neighborhoods
system of non-homogeneous linear equations
system of notation
system of numbers
system of numeration
system of oblique coordinates
system of official costume
system of one-time payment
system of open administrationa of villager affairs
system of ordinary differential equations
system of orthogonal coordinates
system of orthogonal functions
system of orthogonal polynomials
system of orthonormal functions
system of orthonormal polynomials
system of ownership of the means of production
system of paid use of natural resources
system of parabolic equations
system of parabolic equations; parabolic system
system of parabolic partial differential equations
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