介绍了一种加工孔内键槽的新方法和相应的专用工具。不但可用来加工通孔内的键槽，而且还能用来加工盲孔内的键槽或有障碍台肩的孔内键槽等。
The new method for machining keyway in holes and the special tool is presented, with which the keyway not only in blind holes but also in shoulder holes can be machined.
“宁静”号节点舱的观察台首先是设计给宇航员，用来观察空间站自身外表状态的，但也提供了一个令人惊叹的观察地球和太空的无障碍视野。
But while the view out of Tranquility was primarily designed to give astronauts a way to see the outside of the station itself, it also provides a stunning panoramic view of Earth and space.
这四台UTM设备还远未达到即插即用，在安装过程中出现了令人沮丧的障碍和毛病。
The four UTMs were far from plug and play, with some frustrating snags and glitches cropping up during the installations.
长城有着各种用途——从摩托车障碍赛到走T台——它同样也作为无数电视台、电影制作的背景幕布。
The structure has been used for all sorts of events -- from motorcycle jumping to catwalk shows -- and as a backdrop for numerous television and film productions.
它还配有热成像系统以便定位生还者，同时，它还能通过配备的云台摄像机来记录障碍物。
It has a thermal camera to locate survivors and a pan-and-tilt camera to record obstacles.
研制了一台沿架空高压输电导线自动爬行和跨越障碍物的机器人。
A robot which can automatically crawl along overhead high-voltage transmission lines and span obstacles was presented.
通过在天空的任何部位创造一个人造导向星，Keck天文台的激光扫除了这个障碍。
By creating an artificial guide star in any part of the sky, the Keck Observatory's laser removes that barrier.
该方法以行为抑制法作为系统的行为选择机制，三台机器人在无障碍物时可以队形保持，在有障碍物时可以自我避障或变换队形避障。
By using this approach, three Amigobot robots can maintain the formation while there is no obstacle, and avoid by themselves or change formation in obstacles.
该方法以行为抑制法作为系统的行为选择机制，三台机器人在无障碍物时可以队形保持，在有障碍物时可以自我避障或变换队形避障。
By using this approach, three Amigobot robots can maintain the formation while there is no obstacle, and avoid by themselves or change formation in obstacles.
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