The reference map provides a cloud-free view to illustrate Earth’s orientation in the image.

参考图给出了一个无云的视角来表明图中地球的方向。

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It serves as a domain analysis reference map and is emerging as the common business language of the telecom industry.

eTOM可作为领域分析参考图，正在逐渐成为电信行业的通用业务语言。

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Experiments validate the relation between acquisition probability and fractal feature of reference map, which is valuable for the selection of scene matching reference map.

最后通过大量仿真试验验证了分形特征和基准图的正确匹配概率之间的关系，对于景象匹配区的选择具有一定的实用价值。

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The signs contain the place name and a map reference which people can give coastguards when reporting an incident.

BBC: South West Coast Path gets 500th 'life-saving' sign

Each missile comes with a terrain contour matching radar, which compares a stored map reference with the actual terrain to fix the missile's position.

BBC: Tomahawk cruise missile