As in the obstacle race, different techniques are required over different obstacles, as well as different qualities of athletes.

在障碍赛跑中，不同的障碍有不同的跨越方法，对运动员的素质也有不同的要求。

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The combustion process of gas with coal dust or gas with different obstacles in fire-accelerating pipelines has been experimentally studied.

在火焰加速管中，对不同障碍物情况下的纯瓦斯、有沉积煤尘的瓦斯燃烧过程进行了实验研究。

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THRILLING OBSTACLESTest your driving skills to overcome different obstacles like - collapsing rope-bridge, trailer, land mine, See-saw, track loop, Hover Pipe and more.

激动人心的障碍测试你的驾驶技能，克服像不同的障碍-崩溃绳桥，拖车，地雷，拉锯，跟踪环路，哈弗管等等。

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And in both cases, psychologists say their fathers' presented different obstacles and opportunities.

CNN: STORY HIGHLIGHTS

We talked about the different obstacles that are there for complying with transportation obligations that have been established at NAFTA, a situation that impacts jobs, companies and consumers in Mexico and in the United States.

WHITEHOUSE: President Obama and President Calder��n Press Availability | The White House

The obstacles are different for male and female entrepreneurs in two important ways.

FORBES: China 30 Under 30 List: Women Entrepreneurs Face More Hurdles Than Men In China - Forbes