在目前这种复合材料具有实质性团结和不仅是一个总量的不同单位，就不可能有一个大幅度的形式。

In a composite being which has substantial unity and is not merely an aggregate of distinct units, there can be but one substantial form.

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这一功能单位被称为外侧脚复合物。

This unit will be referred to as the lateral crural complex.

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相比之下，在同一时期，单位出货量略有增加(2.6%的复合年增长率)，因为价格较低的变频器销量同期稍微加速。

By contrast, unit shipments have increased slightly over the same time frame (2.6% CAGR), as lower-priced VFD sales have accelerated marginally during this same period.

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