您要查找的是不是：
- 双D盒系统two-dee system
- 双D盒回旋加速器two-dee cyclotron
- 双pair
- 药盒系统Port and catheter system
- 双D窑Double "D" lime kiln
- 导管药盒系统Port - catheter system
- 双D形拉刀double D broach
- 生态系统ecological system
- 双D雷达观察dual-Doppler radar observation
- 导管-药盒系统Port-catheter system
- 免疫系统immunologic system
- 保鲜盒crisper
- 双性恋bisexual love
- 电力系统electric power system
- 神经系统nervous system
- 双D／A技术Double D/A technique
- 名片盒cardcase
- 电脑系统computer system
- 成双atwain
- 存钱盒saving box
