同时，其障碍线坐标的录入方法具有简单、准确的特点。

The method to record the obstacle line coordinates is also simple and accurate.

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网络不仅打破了信息垄断的障碍，甚至穿越了国境线。

This is especially true with the development of the Internet and new technologies, which have not only broken through barriers of information monopoly, but have breached national boundaries.

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然而，在布有多车道交通线的环境复杂的市内中驾驶时，经常性的停车、转弯以及无法预期的障碍，正是DARPA希望有一天自主性车辆有能力去应付的情况。

Yet driving in complex urban settings with multi-lane traffic, frequent stops and turns and unexpected obstacles is exactly what DARPA hopes that autonomous vehicles will be able to do some day.

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