urban telephone 中文意思是什麼
urban telephone
解釋
市區電話-
There were 10. 6 telephones per 100 population in china, and 27. 7 telephones per 100 urban inhabitants. sixty - seven percent administrative villages in rural areas had access to telephone services
全國電話普及率達到10 . 6部/百人，其中，城市電話普及率達到27 . 7部/百人，農村67 %的行政村通了電話。 -
Urban telephone subscribers refer to subscribers telephone subscribers, located at municipalities, cities under the jurisdiction of province, cities at prefectural level, downtown and suburb of city at county level town and county towns ( including country towns where county government located, and towns of county level according to the administrative organizational system ), that are connected to the public line telephone network, including rural mineral area, forest area, military area
城市電話用戶指直轄市、省轄市、地級市、縣級市的市區、市郊區及縣城（包括縣人民政府所在地的縣城關區或行政建制相當于縣人民政府所在地的鎮）范圍內接入局用交換機的電話用戶數，包括分佈在農村地區的獨立工礦區、林區、駐軍等接入局用交換機的電話用戶數。 -
Parking guidance system, which aims at promoting the efficient utilization of park lots and nearby roads, utilize advanced gps, computer, electronics, communication and gis to realize collection, transmission, processing and real - time distribution of parking information. pgs can provide drivers with the location, using status, type of parking lots near the destination, the travel route to these parking lots and related road traffic information via many method, such as vms, broadcasting, telephone, internet, in - vehicle equipment, to guidance drivers to park conveniencely and reasonably. pgs can reduce the additional traffic volume, traffic congestion, time and energy wastage, environment pollution due to searching parking space blindly, promote the utilization rate of parking lot, enhance economic benefit, social benefit and environment benefit, upgrade the level of urban traffic information services
具體研究內容如下: 1 、利用bp神經網路及其兩種改進演算法實現了有效停車泊位預測; 2 、提出了基於停車場選擇的停車誘導路徑優化思想、演算法; 3 、總結了國外停車泊位預定技術的研究現狀、停車預定模型，並設計了停車預定功能實現的物理框架; 4 、給出了可變信息板信息發布的發布策略，並提出了停車場「空、滿」狀態判定方法; 5 、闡述了各種高效的信息傳輸方式在停車誘導系統中的應用框架，給出了基於gprs的停車誘導系統通信方案設計。
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