词汇	shelterwood group system
释义	shelterwood group system 划法作业
随便看	optically pumped submillimeter laser optically pumped THz laser Optically pumping optically pumping magnetometer optically pure optically-read instrument Optically recording velocity interferometer optically roughness optically scanned character automatic reader optically smooth optically stimulated crystal optically-stimulated crystal optically stimulated dating optically stimulated luminescence Optically Stimulated Luminescence dating optically thick optically thickdiffusive optically thicker medium optically thick layers optically thick limit optically thick medium optically thickness optically thick plasma optically thin limit optically thin medium