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随着人工林的大规模建设，各种林木病虫害的危害也越来越严重。克服现有林木病虫化防机械的局限性，研制钻蛀性害虫、隐蔽性吸汁害虫、维管束病和高大树木上部病虫化防所需的有效机械．通过施药技术的进步，解决化防和天敌等非标靶生物的保护利用的协调问题，已成为一项急需解
With the large-scale construction of plantations, the hazards of various forest pests and diseases are also more and more serious. Overcoming the limitations of the current plant disease and insect pest control machinery, the development of borer pests, hidden sucking pests, vascular bundles and tall trees above the effective pest control needs machinery. Through the improvement of pesticide application technology, the coordination of protection and utilization of non-target organisms, such as chemical defense and natural enemies, has become an urgent solution