tetrad 四元组，四分体
four combination 四元组 quad 四角形区域，四元组 quadruple 四元组；四重的，四倍的 quadruplet 四元组 quaternary 四进制的，四元的；四元组 tetrad 四元组 vierbein 四元组
系统软件 语言与编译 释文 quadruple 四元组
- Galileo navigation satellite system
- Galileon field
- Galileo number
- Galileo principle of relativity
- Galileo probe
- Galileo receiver
- Galileo spacecraft
- Galileo's telescope
- Galileo telescope
- Galileo transformation
- Galilieo Global Satellite Navigation Position System
- Galina Evgenievna Nikolaeva
- Galina Ulanova
- Galitzin pendulum
- galium metallurgy
- Galla
- galla
- Gallagher
- Gallagher ergodic theorem
- gallant soldier
- gallatin
- Gallaudet University
- gallbladder
- Gallbladder Channel of Foot Shaoyang
- gallbladder cutaneous region of foot shaoyang