前后的 meaning in English

fore and after
fore-and-aft

Fundamental work in this field was carried out around the turn of the century .
这方面的基础工作是在进入本世纪前后的一段时间内进行的。
A replica technique is used to record the scratch patterns before and after loading .
可采用一种复制技术把在加载前后的划痕图案记录下来。
Tariff of aquatic products before and after entering wto
入世前后的水产品关税
My vocational career in financial circles around liberation
我在建国前后的金融业生涯
The family changes before and after 1911 revolution
辛亥革命前后的家庭变动

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