【科学60秒】足球踢得好不好，电脑说的也算数_英语听力练习mp3下载-科学-沪江听力酷

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【科学60秒】足球踢得好不好，电脑说的也算数

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(Announcer’s call of “GOAL!”)
That’s a shout World Cup enthusiasts don’t hear too frequently. Soccer’s known for low-scoring games, which makes it difficult to find an objective means of measuring the skill of top players. In a given game, a couple might ___1___ a goal or have an assist. But who’s the best of the best?
This ___2___ ___3___ Luis Amaral as a kid in Portugal. Now, a professor of biology and chemical engineering at Northwestern, he used his team’s computational skills to find the best. The work is in the journal Public Library of Science One.
Graduate student Josh Waitzman wrote software using data from the 2008 ___4___ Web site. They ___5___ the flow of the ball among players. They evaluated the ways the ball can travel. And they were able to rank players based on how many times and ways the ball passed through them to finish a given shot.
Their rankings match the opinions of coaches and experts. For example, all agree that Spain’s Xavi is a great player. Amaral's team say this network model could be also used for nonsoccer tasks, such as evaluating teammates on a group work project. (Announcer’s call of “ANNUAL REPORT!”)