本文以三层电梯为设计对象，结合三垦vm 06系列恒转矩高性能变频器，开发出一套交流双速的PLC电梯控制系统。

In this paper, three elevators for the design of objects, combined with Sanken VM06 series of high-performance constant torque converter, developed a two-speed exchange of PLC elevator control system.

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长期以来，默克尔是反对双速欧洲的，但是似乎来自选民和她的同盟伙伴以及欧元国家的压力逼迫她不得不接受它。

Mrs Merkel may have long opposed a two-speed Europe, but pressure from voters, her coalition partners and other euro-zone countries seems to be pushing her into tolerating it.

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澳大利亚就是这种双速经济的最好例子。

Australia will be a prime example of such a two-speed economy.

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