1. 褶皱：而矿物群的种类、晶粒大小与组成结构取决于原岩与围岩种类、变质相程度、化学与热水溶液等条件,再加以变质作用的压力因素,常导致矿物具有优势方向(PreferredOrientation),具排列特性或是矿物分层,分带现象,甚至导致具褶皱(Folding)流动性构造.

2. 折边弯曲加工：flanging 凸缘加工 | folding 折边弯曲加工 | folding 摺叠加工

noun

1. the act of folding

e.g. he gave the napkins a double fold

Synonym: fold

2. a geological process that causes a bend in a stratum of rock

Synonym: fold

3. the process whereby a protein molecule assumes its intricate three-dimensional shape

e.g. understanding protein folding is the next step in deciphering the genetic code

Synonym: protein folding