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Cross ProtectionCross Protection
释义
Cross ProtectionCross Protection
Encyclopedia
农学
〔植物病害生物防治理论〕
释
Cross ProtectionCross Protection
交互保护
植物被病毒的无毒品系或弱毒品系侵染后,在形态和生理上产生免疫反应,以保护植株避免被同一病毒的强毒株系侵染,或对另一些寄生物的侵入和寄生关系的建立产生障碍的现象。
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system of execution
system of factors
system of feudum
system of fixed ecliptic
system of forces
System of four ethnic classes
system of frames of reference
system of free evaluation of evidence through inner conviction
system of functional equations
system of functional inequalities
system of functions
system of fundamental solutions
system of fundamental units
system of generators
System of Government Officials of the Han Dynasty
system of gravitational units
system of groups
system of homogeneous linear equations
system of hyperbolic equations
system of hyperbolic partial differential equations
system of hypercomplex numbers
system of imposing fee on pollution discharge
system of imprimitivity
system of independent functions
system of indices
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