权威例句
The USNO-B Catalog
The USNO-B1.0 Catalog
The Second US Naval Observatory CCD Astrograph Catalog (UCAC2)
New Neighbors from 2MASS: Activity and Kinematics at the Bottom of the Main Sequence
Astrometry and Photometry for Cool Dwarfs and Brown Dwarfs
Astrometry and Photometry for Cool Dwarfs and Brown Dwarfs
High resolution spectroscopy of ultracool M dwarfs
Notch3 is required for arterial identity and maturation of vascular smooth muscle cells
Sentinel Lymph Node Surgery After Neoadjuvant Chemotherapy in Patients With Node-Positive Breast Cancer: The ACOSOG Z1071 (Alliance)...
U.S. Naval Observatory CCD parallaxes of faint stars. I - Program description and first results