highly ionized noble gas
高电离惰性气体

• overburden
• overcast
• overcharge
• overcoat
• overcoating
• overcompensation
• overcooling
• over correction
• overcurrent
• overdamping
• overdevelopment
• overdischarge
• overdrive gear
• overexcitation
• overexpanision
• overexposure
• overflow
• overfocus
• overground
• overhang
• overhaul
• overhearing
• overheat
• overirradiation
• overlap