flat lying

基本解释

The shoulders are moderately laid back, flat-lying, well-muscled and never loose.
肩部适度向后，平躺，肌肉发达，决不松弛。
dogsky.com
The results from our models show that trench retreat is necessary for reproducing the flat lying slab as observed by tomography under NE China.
结果表明，要产生类似于中国东北之下低角度的板片俯冲，海沟后撤是重要条件；
A craton includes a crystalline basement of commonly Precambrian rock called a shield, and a platform in which flat-lying or nearly flat-lying sediments or sedimentary rock surround the shield.
克拉通包含通常为前寒武纪岩石的结晶基底，即地盾，也包含围绕地盾的并在其上有平卧或近于平卧的沉积物或沉积岩层的地台。
www.infopetro.com.cn

It is most easily carried out lying flat on the board.
ECONOMIST: Joseph Wolfson The
This adjustable table allows users to change the angle and height position of the Table PC, from lying flat to a straight-up, 'wall-like mount' at 90 degrees.
ENGADGET: Lenovo announces multi-user Horizon Table PC for $1,699 and up (video)