hemispherical inmmerison lnes
半球状油浸透镜

• photovisual objective
• photovisula achromatism
• photovoltage
• photovoltaic
• photovoltaic cell
• photovoltaic converter
• photovoltaic effect
• photovoltaic infrared detector
• photovolt desitometer
• photox cell
• photoxide
• photozincograph
• phot-second
• photsyntometer
• phrolysis
• phromagnetic
• phromagnetic detection
• phse-modulated signals
• phse-modulated waves
• phthalocyanin
• phtoochromatic filter
• physical absorption
• Physical chemistry
• physical constraint
• physical development