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Time & Frequency Bulletin
1001-1811
1983 Issue 1
Sudden Ionospheric Disturbances (D Layer)
..............page:14
Time of Emission of Time Signals
..............page:2,1
shi jian pin lv gong bao 1983 nian 1 yue fu lu
..............page:10-12
yuan zi zhong
..............page:4-5
Measured Valves of CCTV Synchronizing Pulse
..............page:2
zhong guo ke xue yuan shan xi tian wen tai bpl chang bo shou shi shi yan tai zan zuo fa bo de tong zhi
..............page:3
shuo ming
..............page:13
Results of Astronomical Time and Latitude
..............page:6-9
Time Diffcrence Between TA (CSAO) and UTC (CSAO)
..............page:3
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