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
- ultimately periodic sequence
- ultimate particles
- ultimate reduction
- ultimate sequence
- ultimate strength
- ultimate strength design method
- ultimate strengthdesign method
- ultimate tensile strength
- ultimate uniform boundness
- ultimate vacuum
- ultimatum
- Ultime Secret
- ultor
- ultra-
- ultra-acoustic
- ultrabarrelled
- ultrabarrelled space
- ultrabasic glass
- ultrabasic rock
- ultrabornological
- ultrabornological space
- ultraboundedness
- ultra bright
- ultra broadband seismometer
- ultracentrifugal