Missy's master does not expect an exact copy of her.

米茜的主人并不期待看到一个完完全全复制版的她。

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A prized object in the factory is the stamper, the master copy of a software product that takes great precision to produce.

压模，软件产品的主拷贝，需要极大的精度去生产，是工厂的一件弥足珍贵的物品。

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Slave servers (for example, those machines that want to provide a backup copy of NIS master databases) copy the published databases from the server.

从服务器（例如希望提供 NIS 主服务器数据库备份的计算机）将从服务器复制已发布的数据库。

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And the ebook and the printed version will come from the same master copy of that subbed and perfect version.

FORBES: Why Are Ebooks Riddled With Typos?

The master copy of the interview was lost in transit, but director Paul Sen had secretly kept a copy on VHS tape, Cringely said.

CNN: Mark Milian,

"You can have a master copy of PC Cillin that makes sure all your copies are up to date just by clicking on one, " says Mr Craig from Trend Micro.

BBC: NEWS | Technology | Home PC face security onslaught