steep dip meaning in English

陡倾角
急倾斜

Study on failure laws of surrounding rock in the steep dip and extra - thick coal seam mining
急斜特厚煤层开采围岩破坏规律研究
The main achievement has been obtained as follows in the paper : ( 1 ) most of class no . i and ii structure plane of the slope is steep dip and is more steep than the man - made slope , class no . i and ii structure plane do not compose latent local unstable block
论文研究成果如下： ( 1 )边坡、类结构面以中陡倾角为主，且大多数大于边坡开挖坡角。通过野外调研和理论分析，阐明工程边坡开挖面附近，、类结构面相互未组合成不利块体。
Field observations and measurements and relevant statistics show that the ne - nee and nnw constitute the first and second dominant trends of the discontinuities of the rock mass in the area of the permanent shiplock in the threee - gorge project . of all the discontinuities , the steep dip takes the absolute lion ' s share
1 、通过现场观测及统计分析表明，三峡永久船闸区岩体结构面第一优势走向为ne - nee ，第二优势走向为nnw ，所有结构面中，陡倾角占绝对优势。