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Cross ProtectionCross Protection
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Encyclopedia
农学
〔植物病害生物防治理论〕
释
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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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safety technology innovation
safety technology of flowing well
safety technology of gas station
safety technology of logging and perforating operation
safety technology of logging coring operation
safety technology of melting equipment
safety technology of oil and gas Long distance pipeline
safety technology of oil and gas testing instruments
safety technology of oil production
safety technology of petroleum drilling
safety technology of pumping unit
safety technology of well logging blasting
safety testing
safety test of nuclear weapon
safety three elements
safety threshold
safety threshold of soil pollutants
safety training
safety values
safety valve
safety valve adjustment
safety valve of pressure vessel
safety voltage
safety water level
safety water mark
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更新时间:2026/1/23 23:52:11