The practice proved that the expert system has the feasibility.

实践证明，该专家系统具有可行性。

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The practice proved that the method is feasible and very effective.

实践证明这些方法可行且十分有效。

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The practice proved that the ameliorated equipment could work normally.

实践证明，改进后的设备工作正常。

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Data from the portal have proved what many had suspected: that the decades-old practice of releasing music to radio weeks before putting it on sale feeds piracy and saps sales.

ECONOMIST: Music and technology: Digitally remastered | The

But it wasn't until 1747, when an English physicist named Benjamin Robins proved that "rifled" barrels performed better, that the practice really took off.

FORBES: Magazine Article

Many ceremonies that mark national celebrations and religious rituals incorporate the practice and calligraphy has itself proved influential on modern art, architecture and design.

UNESCO: Culture