实验结果表明，该系统降低了人力资源的消耗，且有效地降低了侵入者的漏报率，从而提高监控质量。
This system reduces the cost of human resources and the experiment shows the missing rate of invaders detection is also reduced and the safety is increased.
治理环境污染的主要效益是健康效益，即降低发病率和死亡率，但治理污染要消耗稀缺资源（经济成本）。
The main benefits of pollution abatement are health benefits, i. e. decreasing morbidity and mortality. But abatementcosts scarce resources.
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