developed representation
展开图示法

• sealed-off counter
• sealing
• sealing screw
• sealing washer
• sealing wax
• seal leakage
• seal material
• seamless
• search
• search-track IR-radiometer
• seasoning
• second
• secondary
• secondary aberration
• secondary axis
• secondary battery
• secondary chromatic aberration
• secondary colo(u)r
• secondary electron conduction target vidicon
• secondary-electron multiplication
• secondary-emission
• secondary emitter
• secondary extinction
• secondary focusing
• secondary harmonic generation