Its approach is broadly linear, from the building of the first motorways in the 1950s to the anti-road protests of the 1990s and the paralysis of today.

其采用直述的方式，从上世纪50年代建成第一条高速公路，到90年代的反公路抗议，再到如今的公路瘫痪问题。

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This paper mainly discusses some properties of partially self-dual functions, partially anti-self-dual functions, partially linear functions and functions with linearity points.

本文主要讨论了部分自对偶和部分反自对偶函数、部分线性函数以及具有线性点的函数的性质。

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Authors suggest the linear relationship between the anti-abrasion parameters consisting of the amount and distribution of carbides, abrasive surface hardness and the abrasion resistance in this paper.

本文还提出了由碳化物数量、分布、磨损面硬度等因素构成的抗磨参数与相对耐磨性的线性关系。

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