The insect resistance capacity of crops is one system of defense formed by long-term evolution which had potential utilization value.
作物的抗虫能力是其本身经过长期进化形成的—套防卫体系，具有潜在的利用价值。
Insect immunity is a defense mechanisms against attack by parasitoids.
昆虫免疫是寄主昆虫抵御寄生物侵袭的一种防卫机制。
Multiple signaling transduction pathways are involved in plant defense responses to insect herbivores, and they can interact with each other, either synergistically or antagonistically.
多种信号途径参与昆虫取食诱导的植物防御反应，它们之间的相互作用协同或拮抗。
Major known defense chemicals include plant secondary metabolites, protein inhibitors of insect digestive enzymes, proteases, lectins, amino acid deaminases and oxidases.
目前已知的防御化合物主要包括植物次生代谢物质、昆虫消化酶(蛋白)抑制剂、蛋白酶、凝集素、氨基酸脱氨酶和氧化酶。
But a recent study has found one insect, a beetle that can chew its way past the plant's defense system by cutting the main vein that delivers the poison to the leaves.
但是最近的研究发现一种昆虫，这种属于甲壳虫类的昆虫可以为自己开辟一条避开这种植物防御系统的通路，方法是切断主要的向叶子传递毒液的叶脉。
The resin is produced as a defense mechanism against insect infestations. When it dries it becomes a plasticlike substance that can survive for millions of years.
树脂是树木为防御昆虫侵袭而分泌的物质，变干后呈塑料状，可以留存成百上千万年。
The resin is produced as a defense mechanism against insect infestations. When it dries it becomes a plasticlike substance that can survive for millions of years.
树脂是树木为防御昆虫侵袭而分泌的物质，变干后呈塑料状，可以留存成百上千万年。
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