您要查找的是不是：
- The technique involves two GPS receivers: a roving unit and a reference unit that is placed at a known location. 这项技术使用两个GPS接收器，一个为动态单元，一个为放置在已知地点上的参考单元。
- An inertial reference unit (IRU) was removed after less than 1,000 hr in service. 一个惯导组件（IRU）使用了不到1000小时就被更换掉。
- AIR DATA INERTIAL REFERENCE UNITS 大气数据惯性基准组件
- MNRU Modulated Noise Reference Unit 调制噪声参考单位
- Don't refer to this matter again, please. 请不要再提这件事了。
- ADIRU Air Data Inertial Reference Unit 大气数据惯性基准单元
- AHEU Attitude and Heading Reference Unit 姿态和航向基准组件
- Combat Vehicle-Heading Reference Unit 作战飞行器航向参考装置
- Strapdown Inertial Reference Unit 姿态同步器惯性参照单元
- This reference book is very useful to our study. 这本参考书对我们的研究很有用。
- Is this reference book of any use to me? 这本参考书对我有用处吗？
- I like to have my reference book within my reach. 我喜欢把参考书放在随手拿得到的地方。
- She was experimenting in selected units. 她在试点单位进行试验。
- Tony used no reference books in class. 托尼上课时不使用参考书。
- Evidently shipowner to bear expense refer. 很明显船主应承担此费用。
- There is no further reference to him in her diary. 她的日记中没有进一步提到他。
- A continuous inked ribbon used on output units. 在输出设备(如打印机)上使用的一种连续上油墨的色带。
- He spoke in reference to the cowboys. 他谈了有关牛仔的事。
- The book is used as a reference book. 这本书被用来做参考书。
- The carpenter knocked up some kitchen units for us out of old pine. 木匠用老杉木为我们匆匆做了几件厨房用具。
