人工智能 知识工程 释文 knowledge utilization system 知识利用系统
- helium ionization zone
- helium isotope hydrogeology
- helium-jet transport
- helium leak detector
- helium liquefier
- helium Lyman α forest
- helium main-sequence
- helium method
- helium-neon
- helium-neon laser
- helium optical pumping magnetometer
- helium-poor star
- helium production
- helium refrigerator
- helium-rich core
- helium-rich star
- helium separation system
- helium shell
- helium shell flash
- helium star
- helium-strong star
- helium variable
- helium-weak star
- helium white dwarf
- He Liutang