工学 参考框架 释 reference frame 参考框架 参考系统的具体实现，进而定量描述目标的坐标或运动。
通类 物理 reference frame 参考系 reference frame 参考系†
reference frame 参考架; 参考系
计算机应用 多媒体 释文 reference frame 参考帧
- Duty-household
- duty in civil affairs
- duty of care in treatment
- duty of compulsory military service
- duty of confidentiality
- duty ratio
- duty-related crimes
- duty to planned parenthood
- duty to receive education
- duty work
- Duu-a
- Duurlig Nars Cemetery
- Du Val
- Duvalier family
- duvet
- Duwei
- Du Wenlan
- Du Wenxiu
- Du Xiangwan
- Du Xianzhou
- Duxi flower-drum dance
- Du Xigui
- Du Xin
- Duxiu Feng
- Du Xiuxian