与其他方法相比，生物防治的优点是它提供了一种成本相对较低、有害副作用最小的永久性防治系统。
The advantage of biological control in contrast to other methods is that it provides a relatively low-cost, perpetual control system with a minimum of detrimental side-effects.
根据地理信息系统的基本思想，结合矿区灾害的特点设计了矿区灾害防治系统（M DPS）。
This article based on the ideas and methods of GIS, connecting with features of mining area disaster designed the Mining area Disaster Production System(MDPS) .
随着害虫防治策略的不断改进，群落生态学中的许多基本概念被越来越多的应用到农业害虫防治系统中。
With the development of pest control strategies, more and more concepts from community ecology are applied to the system of preventing agricultural pests.
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