在局部地区，当无法知道绝对高程时，假定一个水准面作为高程起算面，地面点到该假定水准面的沿铅垂线方向的距离称为相对高程，又称为假定高程。
凸形地貌对振动波的放大系数随相对高程增大而增大，而随爆源比例距离增大而减小。
The amplified coefficient of vibration wave blasting is augmented with relative altitude, but decreases with the scale distance of explosive in protruding topography.
和其他富国相比，美国民众倾向于接受相对高程度的收入分配不公，因为他们坚信，随着时间推移，他们能够往上一阶层流动。
Compared with people in other rich countries, Americans tend to accept relatively high levels of income inequality because they believe they may move up over time.
象其他的热点区域一样，包括撒丁岛和冰岛，冲绳是一个相对封闭的岛屿社区，其导致了很高程度的近亲繁殖和遗传性变形聚类。
Like other hotspots, including Sardinia and Iceland, Okinawa is a relatively isolated island community, which leads to higher levels of inbreeding and a clustering of genetic variants.
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