The researchers say this suggests the fish build up mental maps as they mature.

研究者称，这表明这种鱼类随着年龄增长逐步建立意境地图的。

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Previous work has shown that men tend to navigate by creating mental maps of a territory and then imagining their position on the maps.

前人的研究表明男性在导航时倾向于根据所处的区域形成心象地图，并在地图中定位。

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Some shark species make "mental maps" of their home ranges, allowing them to pin-point destinations up to 50km (30 miles) away, research suggests.

研究显示，某些种类的鲨鱼对其活动范围制作出“心理地图”，这使它们可以精确达到50公里以外的目的地。

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Algeria had, until recent days, scarcely featured on the mental maps of most British politicians.

BBC: What is the UK doing in North Africa?

Some shark species make "mental maps" of their home ranges, allowing them to pin-point destinations up to 50km (30 miles) away, research suggests.

BBC: Sharks navigate using 'mental maps'

"If we have mental maps for 2, 000 people, we get a sense of what 'normal' looks like, and then we can use that to spot what isn't normal, " says Marcus.

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