In pre-Classical Greece, for instance, people "corrected" official calendars by shifting dates forward or backward to reflect the change of season.

例如，在前古典时期的希腊，人们通过前后移动日期来“修正”官方日历，以反映季节的变化。

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This change is not backward compatible.

这个变更不是向后兼容的。

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According to our previous discussion, this change would be backward compatible.

根据我们前面的讨论，这个变更将是向后兼容的。

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Backward beliefs about women's place in society can and must change, and that fight was one part of making it happen.

CNN: Worth the fight: Women in Augusta's boys club

As Representative Edward Markey noted, auto fuel economy peaked at 26.5 miles per gallon in 1986, and "we've been going backward every since" - even though we have the technology to change that right now.

CENTERFORSECURITYPOLICY: Wanted: A real energy security bill