Adjustment and Analysis of the 40m Antenna Surface
jin wang~(1; 2); wang min~1; zhang ju-yong~(1; 2); zhao hui~3; zhang ping~3; song jun-feng~3; xu-chun~1(1.national astronomical observatories/yunnan observatory; chinese academy of sciences; kunming 650011; china; 2.graduate school of the chinese academy of sciences; beijing 100049; china; 3.the 39th institute of china electronics corporation; xi an 710065; china)
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Stiffness Calculation and Application of Spline-ball Bearing
gu bo-zhong~1; zhou yu-ming~(1; 2); yang de-hua~1(1.national astronomical observatories/nanjing institute of astronomical optics & technology; chinese academy of sciences; nanjing 210042; china; 2.graduate school of chinese academy of sciences; beijing 100049; china)
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