All-Terrain
3.A small, all-terrain motor vehicle seating one person and having four wheels with large tires.
10.Of all the Lunar Rover key technologies, the main task of the stereo vision system is to achieve onboard perception and fusion of the complex lunar terrain, by capturing images, matching feature points, producing depth map, recognizing obstacles and reconstructing 3D scene, in order to navigate and avoid obstacle automatically in unknown environment.
同义词辨析
辨析1:
这些短语均由代词加前置词but(除开)构成,但含义各不相同。
anything but: (=not at all, by no means, never)表示“决不,根本不”。
nothing but: (=only)表示“只不过,除了……以外什么也没有”。
all but: (=almost, nearly)表示“几乎,差一点”。
none but: (=no one except)表示“只有;除……外谁也不”。

