The ITU Radiocommunication Assembly, considering that there is a requirement for planning purposes for improved worldwide methods of predicting field strength which take account of terrain height and surface features (including ground cover such as buildings, vegetation, etc.).
ITU-R RESOLUCION 40-2 SPANISH-2007由国际电信联盟 IX-ITU 发布于 2007-01-01。
ITU-R RESOLUCION 40-2 SPANISH-2007 在中国标准分类中归属于: M00 标准化、质量管理。
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