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mark off 英 [mɑ:k ɔf] 　美 [mɑrk ɔf]

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mark off

phrase. 划分出；划线分隔　

But the money had come to mark off his weaving into periods.　但是，金钱却终于把他的织布活儿分成许多阶段。

To mark off or apportion, usually with reference to a given unit of measurement.　量出，称出；分出：标出或分出，通常参考一给定的测量单位。

1. But the money had come to mark off his weaving into periods.

但是，金钱却终于把他的织布活儿分成许多阶段。
2. To mark off or apportion, usually with reference to a given unit of measurement.

量出，称出；分出：标出或分出，通常参考一给定的测量单位。
3. Analysis system groups and remote sensing images and vector images use the method of superimposition analysis, combine with fieldwork files to mark off system series.

系统组与遥感和矢量图叠加对应分析，结合野外调查资料来划分土壤-植被系统群系。