single-frequency argon ion ring laser 单频氩离子环形激光器

positive ion-ring 正离子环

positive ion ring 正离子环

ring discharge ion laser 环状放电离子激光器

Heavy ion storage ring 重离子冷却储存环

Heavy ion cooler storage ring 重离子冷却贮存环

heavy ion cooling stored ring 重离子冷却储存环

heavy ion cooling storage ring 重离子冷却储存环

ring current ion distribution 环电流离子分布

copper-ion releasing type contraceptive ring 铜离子节育环