Complex sentence: The resultant structure appears as a continuous cylindrical fold aligning perpendicular to the regional tectonic force and resembles a Type 1 refold structure, which can be difficult to be distinguished from a single growing embryonic fold with huge fold axial length as they both appear as sub-cylindrical fold.
Split into simpler sentences: The resultant structure appears as a continuous cylindrical fold aligning perpendicular to the regional tectonic force and resembles a Type 1 refold structure. It can be hard to be distinguished from a single growing embryonic fold with huge fold axial length as they both appear as sub-cylindrical fold.