这种以近似于——但不完全是——一天为周期的节律，叫做昼夜节律。

Such a rhythm whose period is approximately—but not exactly—a day is called circadian.

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该会几乎于最后一刻被取消，最终由五天缩短为三天，许多研讨议题遭压缩或裁减。

It was almost canceled at the last moment and was eventually curtailed from five to three days, with many panels cut or abbreviated.

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道指下跌了107.24点，跌幅为1.03%，尾盘报收于10340.69点，结束了一根四天阳线。

The Dow Jones Industrial Average dropped 107.24 points, or 1.03%, to10340.69, snapping a four-day winning streak.

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