The policy has been maintained in the province for 20 years.

降分录取这一政策在湖南已维持20年之久。

youdao

And obviously this trend has been maintained for over at least 20 years.

而显然这样的趋势已经维持了至少超过20年之久。

youdao

And from AD1697 to 1702 Leibnitz has been maintained long-term communication with fr.

从公元1697到1702年，莱布尼兹与白晋保持长期的通讯关系。

youdao

The elections have come and gone, and the status quo has been maintained.

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"We would say that the U.S.-Japan alliance has been maintained at the sacrifice of the Okinawan people, " he says.

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The results showed the level of careers advice has been maintained in only 16.5% of the 1, 568 schools covered in the survey.

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