ALS

• abbr.
  • amyotrophic lateral sclerosis
  • antilymphocyte serum
  • Approach Light System 【航空学】进场照明系统
  • autograph letter signed 有签名的亲笔信
  • Automatic Landing System 【航空学】自动着陆系统

als,a.l.s.

• abbr.
  • amyotrophic lateral sclerosis
  • anticipated life span 预期寿命,估计寿命
  • antilymphocyte serum
  • approach and landing simulator 【航空学】进场与着陆模拟器
  • autograph letter signed 有签名的亲笔信