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
- Sichuan Fine Arts Institute Huxi Campus
- sichuan fritillary
- Sichuan Giant Panda Sanctuaries-Wolong,Mt Siguniang and Jiajin Mountains World Natural Heritage
- Sichuan Guanghan Sanxingdui Museum
- Sichuan International Television Festival
- Sichuan Jinqianban clapper ballad
- sichuan lovage rhizome
- Sichuan Museum of Jianchuan
- Sichuan Natatorium
- Sichuan opera
- Sichuan Opera Dictionary
- Sichuan opera music
- Sichuan Opera Repertoire Dictionary
- Sichuan Opera Series
- Sichuan Opera Theater of Chengdu
- Sichuan Opera Troupe
- Sichuan Pacific Cinema Line Co., Ltd.
- Sichuan Party Periodical Group
- Sichuan Pendi
- Sichuan People’s Art Theatre
- Sichuan pepper
- Sichuan Pingshu storytelling
- Sichuan Provincial Academy of Arts
- Sichuan Provincial Archives
- Sichuan Provincial Library