Using TM images can monitor the damage caused by forest insects and diseases, but its operation is too complex to generalize this technique in production organization.
利用TM影像可以进行森林病虫灾害的监测，但是操作过于复杂，无法在生产单位进行推广应用。
Some insects help us by killing other harmful insects, which damage plants.
有些昆虫帮助人们杀除毁坏植物的其他害虫。
Emphasis is laid on the integration of sensory informations in the central nerve system of insects, plant compensation for insect damage, and induction of chemical defence in plants by herbivory.
着重叙述昆虫神经中枢对于植物理化特性所产生的感觉内导的综合作用，植物蒙受虫害后的补偿作用及由此诱导所产生的化学防御作用。
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