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7. If you have been asked to stay several days, you will conform as far as possible the routine of the house.

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8.The same principle applies old people. If they are respected in Britain, it is because they are felt to be need of protection and support.

轴测投影根据投影方向与投影面的角度不同，分为正轴测和斜轴测两大类。最常用的轴测图为_和_。

正等测的轴间角为___度，轴向伸缩系数为p=_，q=_，r=___。

斜二测的轴间角为90度和___度，轴向伸缩系数为p=_，r=_，q=___。