A conclusion is drawn that crucian carp increases its effective stiffness during swimming with only a little energy dissipation based on a simplified standard solid model.
通过简化为标准线性固体模型进行讨论，得到的结论是：鲫鱼游动过程中以很小的能量损耗为代价，增加了其有效刚度。
Today, an original Les Paul Standard solid-body built by Gibson between 1958 and 1960 can fetch $40, 000 or more.
今天，由Gibson 于1958年到1960年间制作的原始LesPaul标准的吉他可以卖到40000美元或者更多。
Today, an original Les Paul Standard solid-body built by Gibson between 1958 and 1960 can fetch $40, 000 or more.
今天，由Gibson 于1958年到1960年间制作的原始LesPaul标准的吉他可以卖到40000美元或者更多。
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