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- underwater passive navigation 水下无源导航
- A STUDY ON UNDERWATER PASSIVE SOUND REFLECTORS 水下物理目标声反射器研究
- Study on underwater passive flexible paw 一种用于水下的柔顺机械手的研制
- autonomous and passive navigation 自主无源导航
- Study of an Underwater Passive Flexible Paw 一种被动柔顺水下手爪的研究
- passive navigation and positioning system 无源导航定位系统
- Post processor of underwater passive range finding 水下被动测距的后置处理
- gravity passive navigation system 重力无源导航系统
- underwater passive target tracking 水下被动目标跟踪
- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁，所以在这条河上航行很困难。
- Simulation and study of one underwater passive target motion analysis 一种水下被动目标运动分析与仿真
- Dual-Array Tracking Algorithm for Pure Orientation Underwater Passive Target 双基阵纯方位水下被动目标的跟踪算法
- Application of virtual time reversal mirror in underwater passive ranging 虚拟时反镜在水声被动测距中的应用
- Research on Vessel Location by Underwater Passive Magnetic Signature 船舶水下被动磁性定位研究
- The compass is an instrument of navigation. 罗盘是航行仪器。
- He played a passive role in the marriage. 他在婚姻中扮演了一个被动的角色。
- The theory and practice of aircraft navigation. 航空学飞机航行的理论与实践
- He had a passive expression on his face. 他脸上有一种漠然的表情。
- In spite of my efforts the boy remained passive. 尽管我努力，那男孩还是不起劲。
- The slaves gave passive obedience to their master. 奴隶们乖乖地服从他们的主人。
