The practice demonstrates the validity of the system.

实践证实了该系统的有效性。

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The practice demonstrates that the design is successful.

实践证明设计是成功的。

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The production practice demonstrates the feasibility of the drawing process.

生产实践验证了该拉延工艺的可行性。

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In discussing the ritual of practice, he demonstrates his own remarkable virtuosity.

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But jailbreaking, as this practice is called, violates Apple's obsessive control of its gadgets and demonstrates software holes that could be exploited later by less benign hackers.

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Our experience with this definition demonstrates that the concept of bookkeeping and other services is well understood in practice.

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