The kind of model reduces hunting zone progressively, reduces the searching workload effectively and saves the scale and time in computing.

这种模型逐级缩小搜索范围，有效地减少了搜索的工作量，节省了计算的规模和时间。

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Hunting, herding, sunning grain or train vehicle driver in airport controlled zone;

在机场控制区内狩猎、放牧、晾晒谷物、教练驾驶车辆；

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Hunting, herding, sunning grain or train vehicle driver in airport controlled zone;

在机场控制区内狩猎、放牧、晾晒谷物、教练驾驶车辆；

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