We do not know why this error has occurred, but it is regrettable that the claimed drastic reduction in the extent of ice in Greenland has created headline news around the world.

我们不知道为什么这个错误会发生，但是，令人遗憾地是，格陵兰岛延伸的冰大幅减少的宣称已经导致了世界各地的头条新闻。

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Of 53 goals scored in the group stage, 23 could be attributed to a greater or lesser extent to goalkeeper error.

小组赛一共打进了53粒进球，其中的23粒都归功于门将犯下的或大或小的失误。

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There are many factors that influence the sampling error, such as, extent of mark variation, amount of sample unit and the choice of sampling method, etc.

影响抽样误差大小有很多因素，如标志变异程度，样本单位数量的多少，抽样方式方法的选择等。

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