Often, these algorithms are an integrator's only option when faced with accessing data whose owner does not publish a machine-readable representation of the data.

通常在访问数据时，如果数据的所有者未发布这些数据的机器可读表示，那么这些算法将是惟一的选择。

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Gamemakers trying to sell 3-d content will run into a marketing challenge much like the one Nintendo faced with its 1995 introduction of Virtual Boy, a portable stereoscopic game machine.

游戏制造商尝试去销售3d内容的游戏会成为一个市场挑战就像是在1995年任天堂公司推出的便携式立体游戏机Virtual Boy那样。

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In the southern city of Basra, they faced artillery and machine-gun fire.

在南部城市巴士拉，他们遭遇了火炮和机枪火力。

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But when a crucial printing machine broke down recently, he told me he faced a mountain of red tape and delays just to buy in the necessary spare part.

BBC: IMF data deadline looms for Argentina's fragile economy

In conferring the medal, President Barack Obama described the conditions faced by Romesha and 52 other soldiers when they came under attack from mortar, rocket-propelled grenade, machine-gun and sniper fire on October 3, 2009, at Combat Outpost Keating in the mountains of eastern Afghanistan.

CNN: Medal of Honor recipient conflicted by joy, sadness