三化螟为害水稻的过程可以看作一个单输入——单输出系统。
The damage process of paddy stem borer to rice plant can be regarded as a single input-single output system.
养蟹稻田二化螟和三化螟螟害率是常规非防治稻田的2—3倍，甚至更高；
The damage of Chilo suppressalis and Tryporyza incertulas was about 2-3 times of that in monoculture paddy-field and even more;
建立的系统模型能够提供包括农业防治、生物防治和化学防治措施在内的、对三化螟种群实施有效管理的最优决策方案。
The system model can provide on optimal decision strategy to effectively control PSB population, which contains measures of agricultural control, biological control and chemical control.
建立的系统模型能够提供包括农业防治、生物防治和化学防治措施在内的、对三化螟种群实施有效管理的最优决策方案。
The system model can provide on optimal decision strategy to effectively control PSB population, which contains measures of agricultural control, biological control and chemical control.
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