Yet three obstacles loom ahead.

但要达到此目标，前面仍有三大障碍。

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There are three obstacles to the resistance.

有三个障碍的抵抗能力。

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We will create the scene shown in the following image, there are 15 particles and three obstacles of various dimension.

我们将会在下面场景中创建有各种不同尺寸的15个粒子和三个障碍物。在场景中的定位器是目标，粒子跟随这一个目标。

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Kearney and the University of Cambridge's business school showed that among multimedia phone users, slow network speeds, along with cost and privacy concerns, are the top three obstacles to greater use of wireless data services.

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There are three obstacles here.

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What makes these obstacles surmountable is that the three main participants want the process to begin.

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