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- 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。
- MNRU Modulated Noise Reference Unit 调制噪声参考单位
- ADIRU Air Data Inertial Reference Unit 大气数据惯性基准单元
- A unit of currency in North Korea and South Korea. 朝鲜和韩国的一种货币单位
- 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
- He flew to Europe via the North Pole. 他经由北极飞到欧洲。
- And you come from North Dakota! I want to know. 原来你是北达科他州来的！真想不到！
- We have found oil under the North Sea. 我们在北海发现了石油。
- The north wind set them shivering. 北风吹得他们浑身打颤。
- The pitiless north wind blew for weeks. 凛冽的北风一连刮了几个星期。
- The wasteland of the north is scarcely populated. 北方的大荒原地广人稀。
- These stars appear to move around the North Star. 这些星星似乎环绕着北极星转。
- A cold front is moving in from the north. 一股冷锋正从北方向这里移动。
- Living in the far North had inured him to cold. 居于极北部使他习惯于寒冷。
- The river turns north at this point. 这条河从这里转向北方。
- The M6 diverges from the M1 just north of Rugby. 6号高速公路与1号高速公路在拉格比市以北处岔开。
- AIR DATA INERTIAL REFERENCE UNITS 大气数据惯性基准组件
