Large number of practices prove that acoustic emission technology owns very strong practicality.

大量的实践证明，声发射技术具有很强的实用性。

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The application and practice of acoustic emission technology of rock mass was presented in this paper.

本文主要介绍了岩体声发射技术在小铁山矿的应用与实践。

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The conception, application background, basic work principle of sound emission technology are introduced.

介绍了声发射技术的概念、应用背景及基本工作原理。

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At the same time, their brains were scanned with positron emission technology (PET), using a radioactive compound that allowed the researchers to visualize where caffeine was going once it arrived in the brain.

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It is ideally packaged for the integration of the high-performance, zero-emission technology: by way of example, the four electric motors and the two transmissions can be positioned as close to the four wheels as possible and very low down in the vehicle.

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"Mr Fisker's departure is not expected to impact the company's pursuit of strategic partnerships and financing to support Fisker Automotive's continued progress as a pioneer of low-emission hybrid electric powertrain technology, " the company said in a statement.

BBC: Henrik Fisker resigns from carmaker