But they're really only different in structure. You still have to study hard and you still walk away with a well-earned college degree.

但仅仅是结构上的不同，你仍然需要努力学习才能顺利拿到满意的大学学历。

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In this paper the constitutional structure and specific cutting performance of a new type of the super hard tool material (CBN) is introduced and compared with diamond.

本文介绍了立方氮化硼(CBN)和它的组织结构、机械加工性能及其与金刚石性能的比较。

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The dendritic structure with steel tubes which is a kind of bionic structures has rational mechanical behavior, but is hard to design.

钢管树状结构作为仿生结构受力合理，但设计困难。

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After the state rejected the construction of another hard structure, park officials, working with environmentalists, came up with a Plan B: Move gas, water and sewer lines out of the risk zone.

MSN: Stay or go? Communities are eyeing a retreat from sea

And Oregon has a weak social structure, with many recent immigrants who lack the family and community ties to weather hard times.

ECONOMIST: And, despite ever-expanding waistlines, it is not alone