权威例句
Increasing atmospheric carbon dioxide: tree ring evidence for growth enhancement in natural vegetation.Nonspecificity of ring enhancement in "medically cured"brain abscessRestricted diffusion within ring enhancement is not pathognomonic for brain abscess.In vivo single-voxel proton MR spectroscopy in brain lesions with ring-like enhancementRate enhancement by ethylene in the Ru-catalyzed ring-closing metathesis of enynes: evidence for an "ene-then-yne"pathway that dive...Intradural lumbar disk fragment with ring enhancement on MRBreast MRI using the VIBE sequence: clustered ring enhancement in the differential diagnosis of lesions showing non-masslike enhance...Gadolinium ring enhancement and mass effect in acute disseminated encephalomyelitisOrigin of second-harmonic generation enhancement in optical split-ring resonatorsMonolithically Integrated Enhancement/Depletion-Mode AlGaN/GaN HEMT Inverters and Ring Oscillators Using$hboxCF_4$Plasma Treatment