particularly at themselves
尤其是对自己
以上为机器翻译结果，长、整句建议使用 人工翻译 。
This means that when the vehicles come across a particularly steep or slippery slope, they can anchor themselves with five of the wheels and inch each wheel forward one at a time, to crawl over an obstacle.
BBC: Mars robots begin test campaign
应用推荐
模块上移
模块下移
不移动