The cycle time must be an even multiple of the repaint interval, so if the interval is 100, then the cycle time could be 200, 500, or 1000 — but not 750.
循环时间必须是重绘时间间隔的偶数倍，所以如果间隔为100，那么循环时间应该是200、500或者1000——但不能是750。
Yet even as regards such small objects as these, light has occupied a real interval of time, however small, in reaching the eye.
然而，即使就这样的物体来说，不管所需时间是多么短，光毕竟还是需要经过一点时间的间隔才被送入眼帘的。
High frequency time series is referred to financial data which is sampled with interval of one hour, one minute even one second.
高频时间序列通常是指以每小时、每分钟甚至每秒为频率所采集的金融类数据；
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