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Time & Frequency Bulletin
1001-1811
1979 Issue 11
Frequency Departure
..............page:2
qian yan
zhong guo ke xue yuan shan xi tian wen tai
..............page:2
shuo ming
..............page:7
Time of Emission of Time Signals
..............page:1
zhong he miao [toc] li biao
..............page:9-12