The displacement process took place in a period of about three centuries, roughly from 1400 to 1700.

这种取而代之的过程发生时间跨度大约为三个世纪，大致从1400年至1700年。

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The mechanism of electroless plating tin was investigated from displacement process and reduction process.

对化学镀锡的机理从置换过程和还原过程两个方面进行研究。

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And the displacement process is a process of fluid mass and heat transfer, which refers to many interface phenomena changed with time and space.

驱替过程是个传质、传热过程，包括多种随时间和空间变化的界面现象。

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"If you get a process of gentrification displacement and existing power bases are being eroded, it's not in the political interest to pursue it in the long term, " said Mark Davidson, an assistant professor of geography at Clark University in Worcester, Mass.

WSJ: Old guard sees threat in youthful NJ urban influx