Mathematical processing of Doppler observation nets Zhou Jiangwen Error analysis of Doppler observations Song Wenyao Position corrections to the FK4 stars derived from the results of observations with Wuchang Time Observatory Danjon astrolabe Wuchang Time Observatory,Institute of Geodesy and Geophysics,Academia Sinica,Department of Astronomy,Nanjing University On problems of systematic errors existing in the astronomical determination of azimuth Han Tianqi Wind effect on the observational results with a Danjon astrolabe at Wuchang time observatory Sun Yongxiang Analysis of Chandler period from latitude observations in the observatories of China Qian Yiming Computation of the astro-gravimetric levelings Fang Tsün Computation of the mean gravity anomalies of 1°×1° squares Xu Houze Gao Zhizhong,Xu Younan,Yang Huaibing,Wang Gangyi,Jiang Fuzhen Calculation of mean free-air gravity anomalies of 1°×1° squares by applying the isostatic theory Meng Jiachun,Zhang Chijun,Jiang Fuzhen,Gao Zhizhong,Ren Fuchao Spline-fit on the observation series of the instrument recorder scale in the earth tidal observations Xu Houze,Zhu Zhuowen Notes on the method of Venedikov's harmonic analysis Xu Houze,Mao Huiqin Calculation of the theoretical value of the horizontal components of Earth tides Mao Huiqin On the accuracy of the short range radio positioning equipment Wang Guangyun Research on the influence of the variations of the transistor parameters on the instrumental accuracy Xu Zhiyang
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