旗面由三个平行且相等的竖长方形构成，从左至右分别为蓝、白、红三色。
Face of the flag consists of three parallel vertical rectangular and of equal composition, from left to right are blue, white, and red.
根据下坡路段事故统计资料，分析纵坡坡度、坡长、竖曲线和下坡衔接平曲线与道路安全的关系，为提高长大下坡路段安全，优化纵面设计提供参考。
So the relationship between longitudinal gradient, grade length limit, vertical curve and safety is analyzed, which can be referred to improve the safety and optimize the profile design.
有一个关于三分之一的通用规则；把版面在竖的方向或者横的方向分成1/3的块面来平衡版面。
A general rule of 1/3's can apply, where you balance the page into 1/3 verticle and horizontal segments.
有一个关于三分之一的通用规则；把版面在竖的方向或者横的方向分成1/3的块面来平衡版面。
A general rule of 1/3's can apply, where you balance the page into 1/3 verticle and horizontal segments.
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