http://www.ucsusa.org/assets/documents/nwgs/slr_in_china.pdf Satellite Laser Ranging in China Yousaf Butt Union of Concerned Scientists, Cambridge, MA, USA January 8, 2007 ABSTRACT Satellite Laser Ranging (SLR) is a widely used technique for determining the orbits of objects in space with ...
一则招聘启事,来源:wolfgang.schwegmann@bkg.bund.de ******************************************************************************** SLR Electronic Mail Sat Oct 18 14:30:01 CEST 2008 Message No. 1724 ********** ...