In the other experiment, which used 13 groups, the researchers explored how the presence of an animal altered players' behaviour in a game known as the prisoner's dilemma.

另外一个试验中，动用了13个小组，研究者考察了在“囚徒困境”的游戏中动物的存在将如何的改变参与者的行为模式。

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Valve has boasted that the game contains over 13, 000 lines of dialogue, which is an incredible statistic not necessarily because of its sheer size, but because virtually all of those lines are good.

Valve自豪地宣称传送门包含超过13000条对白，简直太不可思议了。 可以说，这个数量未必称得上庞大，但是可以确定的是，几乎所有对白都非常精彩。

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You have to finish all 13 stages of the game in Arcade mode with the F-14D (Middle plane).

你不得不在街机模式下用F-14D（中间的那架飞机）完成所有13个关卡。

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The Grizzlies' starting front-line opened the game missing 10 of 13 shots.

NPR: Grizzlies End Jazz Playoff Hopes With 86-70 Win

Oklahoma City scored the first six points of the game and opened a 13-2 lead as the Rockets failed to make a basket for the first 6 minutes of the game and started out just 1 for 13 from the field.

NPR: Thunder Blast Rockets 120-91 In Game 1

The first touchdown of the game, a 13-yard strike over the middle of the field to Boldin, showed the touch Flacco had long suggested in his throws but rarely showed consistently until these playoffs.

WSJ: Super Bowl XLVII: Baltimore Ravens Have Just Enough Power to Beat San Francisco 49ers