URL

abbr.

ultraviolet light 紫外线；user requirements language 用户需求语言；

UBVRI photometric standard stars in the magnitude range 11.5 < V < 16.0 around the celestial equator
Prevalence of prostate cancer among men with a prostate-specific antigen level < or =4.0 ng per milliliter
The earth is round (P <.5)
High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data. III. A Color-selected Sample at i * < 20 in the Fall Equ...
Efficient crawling through URL ordering
Li x CoO 2 (0A novel slow (< 1 Hz) oscillation of neocortical neurons in vivo: depolarizing and hyperpolarizing components.
Increase in signal-to-noise ratio of > 10,000 times in liquid-state NMR
Intracellular analysis of relations between the slow (< 1 Hz) neocortical oscillation and other sleep rhythms of the electroencephal...
The exosome: a conserved eukaryotic RNA processing complex containing multiple 3'-->5' exoribonucleases