initial 初始的；初始符
理论计算机科学 形式语言与自动机 释文 start symbol 初始符
- argic horizon
- argid sawfly
- Argi-Kucha script
- argillaceous desert
- argillaceous rock
- argillaceous source rock
- argillification
- arginase
- arginine
- arginine vasopressin
- arglist
- Argnesian lattice
- Argo
- ARGO(Argo)
- Argo Chasma
- argon
- argon-argon dating
- Argonautai
- Argo Navis
- argon blowing in a tundish
- argon flash
- argon flash lamp
- argon ion etching
- argon ionization detector
- argon ion laser