Throughout nature, only humans appear to use money so it may seem counter-intuitive that our use of money has an animal parallel.

环顾整个自然界，好像只有人类才使用货币，因此若说其他动物也有用货币乍听之下有点令人惊异。

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To counter the difficulty of traditional method, the parallel connection feed-forward network of calculation method for the actual cycle thermal efficiency of a steam turbine is proposed.

针对传统方法计算繁杂的问题，本文提出了基于双并联人工神经网络的汽轮机实际循环热效率计算方法。

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In this paper a parallel-plate avalanche counter for measuring Mossbauer emission-spectrum is described, the properties and the characteristics of the detector are discussed in detail.

本文介绍了用于测量穆斯堡尔发射谱的一种探测器——雪崩计数器，详细讨论了它的性能和特点。

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