SECOR spacecraft are satellites used by the United States armed forces for geodesy measurements that precisely determined the locations of points on the Earth's surface. Experiments with these spacecraft led to the Timation and GPS Navstar systems.
secor例句
Exotic Species in the Great Lakes: A History of Biotic Crises and Anthropogenic Introductions THE ROLE OF HYBRIDIZATION AND INTROGRESSION IN THE DIVERSIFICATION OF ANIMALS Mast Cells Are Essential for Early Onset and Severe Disease in a Murine Model of Multiple Sclerosis Rising stream and river temperatures in the United States. Specific dynamic action: a review of the postprandial metabolic response Ecological Significance of Movements and Activity Range for the Sidewinder, Crotalus cerastes Consolidated rear view camera and display system for motor vehicle Biofilms in chronic wounds. Wound Repair Regen Can otolith microchemistry chart patterns of migration and habitat utilization in anadromous fishes? Association of 'Candidatus Liberibacter solanacearum' with Zebra Chip Disease of Potato Established by Graft and Psyllid Transmissio...