在这一时期内未婚母亲被投掷石块致死。

In that time period unwed mothers were stoned to death.

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中英建交正是发生在这一时期内的重要事件。

The establishment of diplomatic relations between China and Britain is the most important event in this period .

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美国西点军校在这一时期内调查了15例案件。

Military Academy at West Point investigated 15 cases during the same time period.

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