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- SLAM Problem of Mobile Robots in Unknown Environment. 未知环境中移动机器人SLAM问题的研究进展。
- You must keep alert when you are in a completely unknown environment. 在一个完全陌生的环境里;你必须随时保持警惕.
- Definition: All living creatures have the instinct of seeking the rule and the orderliness in a malicious and unknown environment. ：所有生物在恶劣、未知的环境中都有寻找规律和有序的本能。
- Extravehicular Mobile Robot must be equipped with sensory and perceptual apparatus to acquire necessary information about unknown environment. 在为空间设施服务时，由于环境条件未知，机器人必须借助多种传感器对环境进行感知。
- Many real domain applications of MAS, such as information retrieval and data mining on the WWW can be reduced to the problem of searching in an unknown environment. 现在 MAS中的许多具体应用问题也可以归结为对未知环境的搜索 .;比如 WWW上的信息检索、数据发掘等
- In this unknown environment, these two persons met many unpredicted difficults due to the differences between the two cultures,but they have overcome them. 面对陌生的环境，不同的文化以及意想不到的困难,两个年轻人经受了严峻的考验。
- Meanwhile data of characteristics landforms such as corners and polygons are approximated using bi-arcs to derive a novel exploration and mapping algorithm for unknown environment. 同时，利用双圆弧实现对拐角、多边形等特征地形的逼近和复原，提出了机器人对未知环境的勘测及绘图算法。
- When in the second state it is too easy for the conscious mind to interpret an unknown environment as being Heaven， or to interpret some form of communication as having talked with God and angels. 在第二状态中，对于有意识的心智来说，极容易会将一种未知的环境解释为天堂，或将某种沟通形式解释为与上帝和天使说话。
- A local terrain detection method based on infrared sensor is provided to meet the mobile robot's requirements in unstructured and unknown environments. 摘要针对非结构化、未知工作环境下机器人避障／越障等运动需求，提出一种基于红外传感器的局部地形变化检测方法。
- This paper presents a hierarchical fuzzy controller for mobile robot navigating from an initial position to a target point through unknown environments. 摘要为了解决单模糊控制器的“规则库爆炸”问题，设计了一种分层的模糊控制器，用于指导移动机器人通过未知环境到达指定的目标点。
- The leading role is played by a complete unknown. 演主角的是一个毫无名气的演员。
- The star of the film is a previously unknown actor. 这部电影里的明星以前是个默默无闻的演员。
- Its greater part is unknown to me. 它的大部分对我是未知的。
- He was an unknown painter one year ago. 一年前，他还是一个不为人知的画家。
- This is a fact hitherto unknown. 这是一个至今无人知道的事实。
- He is insensitive to the environment. 他对环境感觉不敏锐。
- A quantity of unknown numerical value. 未知数数值不明的一个数量
- She is not used to the new environment. 她对新环境不习惯。
- Kate is in bad with Lucy for some unknown reason. 因为某些不为人知的原因，凯特和露西关系不好。
