Measuring Arrangements to Assess the Degree of Unbalance About Earth - Series O: Specifications of Measuring Equipment General Study Group 4; 19 pp
国外标准现行
标准号:ITU-T O.9-1999
标准名称: 关于地球的评估不平衡程度的测量安排.系列O:测量设备通用规范研究组4
英文名称:Measuring Arrangements to Assess the Degree of Unbalance About Earth - Series O: Specifications of Measuring Equipment General Study Group 4; 19 pp