时间配准必须要确定一个参考的时间序列。的翻译：Time registration must determine a reference time series. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Time registration must be a reference to determine the time series.

Time registration must determine a reference time series.

The time matching must have to determine a reference the time series.

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Time registration must determine a reference time series.