optical paramertric oscillator
光学参量振荡器

• English system
• engraving
• enhanced focal-plane irradiance
• enhanced line
• enhanced responsivity
• enhance spectrum
• enlarged scale
• enlarged view
• enlargin apparatus
• enlarging lens
• enlarging objective
• enlargment
• enlrger
• enricher
• enrichment
• ensemble
• ensemble average
• ensemble mean
• enthalpy
• enthrakometer
• entity
• entoptic perception
• entoptic s catter
• entracne slit
• entrance