n.

a column of light (as from a beacon)

同義詞：beambeam of lightlight beamray of lightshaftshaft of lightirradiation

a branch of an umbel or an umbelliform inflorescence

(mathematics) a straight line extending from a point

a group of nearly parallel lines of electromagnetic radiation

同義詞：beamelectron beam

the syllable naming the second (supertonic) note of any major scale in solmization

同義詞：re

any of the stiff bony rods in the fin of a fish

cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins

ACTION OF X-RAYS ON MAMMALIAN CELLS
Small-Angle Scattering of X-Rays
Small-angle scattering of X-rays
Small-Angle Scattering of X-Rays
Upper Limit of the Spectrum of Cosmic Rays
Surface Studies of Solids by Total Reflection of X-Rays
Relativistic Calculation of Anomalous Scattering Factors for X Rays
The effects of fishing on sharks, rays, and chimaeras (chondrichthyans), and the implications for marine ecosystems
Comptonization of diffuse ambient radiation by a relativistic jet: The source of gamma rays from blazars?
Whom to treat? The contribution of vertebral X-rays to risk-based algorithms for fracture prediction. Results from the European Pros...