AccuStar电子倾角传感器
AccuStar electronic inclinometer
变调倾角摄影机
variable-perspective camera
变倾角化极
reduction to the pole with differential inclinatio
变倾角缩口
Aperture reduction via varying glancing-angle
表面倾角与转角
the slant and tilt of surface
薄层、陡倾角、软弱岩层
thin-stratified steep inclined soft rock
薄层、陡倾角灰岩、夹软弱页岩层状
thin and steep dip limestone containing soft shale