发现第18组水分数据失控，发现灰分数据从第10组起连续5个数据有位移的倾向。

As a result the data of the18th group moisture is out of control and found5continuous data of ash content from the10th group had the tendency of displacement.

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原始文件，原始数据组，祖父：一个已衍生出两个连续文件的数据储存文件， 用于和新文件作比较或作为更新文件的备份。

Computer Science A stored file of data from which two successive files have been derived, used for comparison with or as a backup copy for the newer files.

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图2 B串，每个脉冲的持续时间或脉宽表示M个数据位的组，交替的高和低脉冲表示连续的组。

Fig. 2b, each of whose time durations or pulse widths represents a group of m data bits, with the alternating high and low pulses representing successive groups.

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