Minor road updates (like those in map data that might be a few months old if you're using maps from different regions) usually result in negligible cost differences for shortcuts, so the pre-calculated values remain effective.
韩俊：减贫是全球关注的话题，也是发展中国家遇到的普遍难题。中国减贫实践充分证明，贫困不仅可以战胜，也可以阻断、不再复发。中国的脱贫经验具有广泛的世界意义，为全球减贫事业贡献了中国方案、中国智慧，给“全球南方”增加了摆脱贫困的信心。中国减贫经验主要有4个“始终坚持”。，详情可参考同城约会
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Author(s): Thomas Wilhelm, Orkun Furat, Jules M. Dake, Carl E. Krill III, Volker Schmidt
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