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- BT型粳稻不育系双九A的选育及其利用Breeding and Utilization of Japonica Rice BT-type CMS Line Shuangjiu A
- 九节龙Ardisia pusiila
- 双pair
- 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Study of voltage and reactive power integrative control strategy based on fuzzy boundary and double nine-area control method
- 九节龙-ⅢArdipusilloside-Ⅲ
- 双击double-click
- 川产九节龙Ardisia pusilla
- 双语diglossia
- 节的nodulated
- 九节龙皂昔Ⅰardipusilloside Ⅰ
- 一双pair
- 父亲节father's day
- 双赢Win-win
- 九个nine
- 七夕节Chinese Valentine's Day
- 双色two-tone color
- 植树节Tree Planting Day
- 双线crewel
- 第一节first segment
- 双字double word
