六月，北极海冰的覆盖面积达到历史平均记录的最低点。

Arctic sea-ice cover reached its lowest ever recorded average level for the month of June.

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这种预测的价值，并非体现在多年的平均记录，而是体现在能否在转折点之前显示出问题与机会的迹象。

The value of such forecasts is not to be judged by their average record over several years, but by whether they signal problems and opportunities in advance of turning points.

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表数据倾斜指的是特定的一些数据库分区上的某个表内的记录数与这个表所跨的所有数据库分区的平均记录数之间的差额。

Table data skew refers to a difference between the number of records in a table on particular database partitions and the average number of records across all database partitions for this table.

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As reported contemporaneously in 2000,the number was -3.1% but if you look at the number reported for 2005, because bad records had disappeared and good records had been added, all of a sudden the average experience for that year went up to +1.2%.

000年期的公告中这个数字为负3.1%,但是如果你去查2005年公告的数字,坏记录已经调整而消失,有利的投资记录被加入,转瞬之间,年平均收益升至1.2%

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