1) Shuangjiu A
双九A
1.
Breeding and Utilization of Japonica Rice BT-type CMS Line Shuangjiu A;
BT型粳稻不育系双九A的选育及其利用
2) double nine-area control method
双九区图
1.
Study of voltage and reactive power integrative control strategy based on fuzzy boundary and double nine-area control method;
基于模糊边界和双九区图的变电站电压无功控制策略研究
3) nine-point hyperbola
九点双曲线
4) nine
[英][naɪn] [美][naɪn]
九
1.
The model figure "nine" was such a unique cultural and numneral phenomenon that it almost had influences on every aspect of life.
模式数字“九”是中国古代历史上一种特有的文化现象与数字现象，几乎无所不在。
6) 1-Butanamine, 1,1,2,2,3,3,4,4,4-nonafluoro-N,N-bis(nonafluorobutyl)-
1,1,2,2,3,3,4,4,4-九氟丁基-N,N-双(九氟基丁基)-1-丁胺
补充资料：双九
1.指旧俗结婚后第十八天﹐男家送女家礼物的日子。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条