然而，这座桥的重要特点不仅是它的规模与强度。
However, size and strength are not the only important things about this bridge.
不同的愤怒不仅在强度上有所不一，而且目的也是多种多样。
Different angers vary not only in their intensity but also in their purpose.
提高机械设计的质量，合理选择设计参数，不仅需要进行强度设计，而且需要进行摩擦学设计。
In improvement of machine design and reasonable selection of design parameters not only strength design but tribology design as well are required.
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