“…Regarding the Gauss map of finite-type, B.-Y. Chen and P. Piccini ( [6]) initiated to study submanifolds of Euclidean space with finite-type Gauss map and classified compact surfaces with 1-type Gauss map, that is, ∆G = λ(G + C), where C is a constant vector and λ ∈ R. Since then, quite a few works on ruled surfaces and ruled submanifolds with finite-type Gauss map in Euclidean space or pseudo-Euclidean space have been established ( [1,2,3,4,7,8,9,12,13,14,15]).…”