一 | (ECNS) -- Days of torrential rain have triggered severe flooding in Longzhou County, Guangxi Zhuang Autonomous Region, cutting road access to multiple villages and leaving residents isolated. Rescue teams have been using boats in relay operations to deliver emergency supplies to stranded residents, local authorities said. The flooding in Shangjin Township has affected 1,479 households, or 3,719 people, according to Hou Yong, a local official. As of 9:30 a.m. Tuesday, 27 village settlements in the township had been cut off due to damaged roads. Power supplies had been disrupted in 22 settlements, while four had lost internet access and 14 were without running water. Floodwaters had entered 329 homes, affecting 902 people, while more than 20,000 mu (about 1,333 hectares) of cropland had been submerged. All residents of the flooded homes had been evacuated and relocated in advance, Hou said. More than 60 rescuers were mobilized in Shangjin Township on Tuesday, using assault boats and inflatable dinghies to establish emergency water-and-land supply routes. Meng Lichun, head of Shangjin Township, said most stranded villagers had moved to the upper floors of their homes and did not require large-scale evacuation. The immediate priorities were delivering daily necessities and providing emergency medical assistance to critically ill patients, she said. Rescue teams aimed to complete supply deliveries to remote villages before nightfall. The local emergency command post had three assault boats at its disposal, with two used to transport supplies and one kept on standby for emergency response. At 5:30 p.m., rescuers reached Huashan Tun, where residents who had been stranded by floodwaters finally received relief supplies. "I'm 54 years old, and I've only seen flooding this severe once before, in 1986," said villager Huang Xuhua. The water rose rapidly, Huang said. After the village lost power, refrigerators stopped working, raising concerns among some residents about food shortages. The timely arrival of government supplies had helped ease the immediate difficulties, he added. Fu Quan, a township official, said rescue teams distributed milk, bread, porridge, bottled water and other necessities based on the needs of affected villages. Authorities had issued early warnings ahead of the flooding, advising residents to move electrical appliances and gas canisters to upper floors. Personnel were also assigned to purchase and deliver supplies to elderly residents, people who were ill and those with limited mobility. Emergency supply coverage had been secured for all six affected settlements in Yunjiang Village. Medicines for remote communities were being delivered by drone and assault boat to ensure residents' basic medical and daily needs were met. "We have successfully transferred three patients with uremia over the past two days and taken them to Longzhou County People's Hospital for dialysis," Meng said. (By Zhang Dongfang) 
。 【TechWeb】7月19日消息，近日，阿里巴巴集团旗下高德正式上线全新位置分享功能——“位置口令”。
二 | 用户在高德App打开该功能，选择中国大陆及港澳台地区的任意位置后，即可生成一组6位数字；接收方在高德“位置口令”页面输入这组数字后，便能直接获取对应位置并一键导航。
三 | 据了解，这是业内首个基于经纬度随机编码的位置分享方案，它让过去难以描述、无法直接搜索的位置，也能够被准确表达和快速分享。
四 | 说不清位置就发6个数字 长期以来，人们描述所在位置，主要依赖地标、门牌和地图上的地点名称。但现实世界里，有大量位置虽然真实存在，却很难描述清楚。 在紧急场景中，这一问题尤其突出。
五 | 车辆在高速公路发生故障时，当事人周围往往没有可参照的地标，救援人员只能反复追问“附近有什么”“刚经过哪里”，一点点缩小范围。 现在，这些位置都能用6个数字说清楚。
六 | 用户在联网状态下打开高德App，搜索“位置口令”或点击首页右上角“+”号进入功能页，确认位置后可生成6位数字口令，再通过电话、短信或社交软件发给对方即可。口令默认有效期15分钟，最长可延至24小时，到期自动失效。 高德位置口令不依赖地图上已有的地点名称，而是直接对应真实世界的经纬度。因此只要地图能定位，就可以生成位置口令。 高德位置口令的本质，是将专业经纬度转化为普通人也能直接使用和传播的数字编码。这让地图能力首次从“地点搜索”延伸到了“任意位置表达”。用户不再需要记住复杂经纬度，只需要6位数字，就能准确描述所在位置。 支撑这一切的，是一套围绕“位置可传播”设计的编码机制。据介绍，高德位置口令并非简单的经纬度缩写，而是采用分层递进式短码生成算法，在有限编码空间内优先生成更易记忆的数字组合；同时结合逆地理编码能力，可根据周边道路、地标等环境信息动态生成位置信息，并适配多种语言场景。
七 |
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