Two blind subjects used clicks and their echoes to distinguish objects like a car, tree or flag pole.
两名盲人受试者通过敲击和听其回声来辨别诸如汽车、树或棋杆等物件。
In that test, the Volt was subjected to a simulated side-impact collision into a narrow object like a tree or pole followed by a rollover, the agency said.
而代理的工作人员解释说，上周的测试中，同样是进行模拟侧面冲击，撞上细长物体例如树或是电线杆之后翻车。
Tie to secure objects such as a telephone pole (without a supporting "guy" wire), wall, hitching post, tree, or a trailer that is secured by attachment to a vehicle.
栓在牢固的物体上，比如信号杆(没有天线)，围墙，套索桩，树或者挂车。
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