蚂蚁们将可见的地标痕迹和脑中有关当地方向的资料相结合，而这些信息全部都在不断更新的查询系统之内。

Ants combine the evidence of visual landmarks with a mental library of local directions, all within a framework which is consulted and updated.

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您可以自己完成全部教程示例，也可以仅在您感兴趣的领域中使用提供的解决方案，或将提供的解决方案与您感兴趣的产品结合使用。

You can complete the full tutorial sample yourself, or use the provided solutions to work only in those areas or with those products of interest to you.

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全部主键和外键均定义了索引，来支持12个表之间有效的结合。

Indexes are defined on all primary and foreign key columns to support efficient joins between the 12 tables.

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