Joseph von fraunhofer
1787-1826 夫朗和斐

• sodium tetraborate decahydrate
• sodium vapour lamp
• soft aperture
• soft balsam
• soft coating
• soft copy
• soft corneal lens
• soft crown glass
• softener
• softening
• softening point
• soft focus
• soft-focus lens
• Soft (hydrophilic) contact lens
• Soft (hydrophilic) contact lens care products
• soft light
• soft mode
• soft mold blocking
• soft ware
• software for display
• soft X-ray
• soft X-ray laser
• solar battery
• solar cell
• solar cell application systems