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perpendiculars

美 [ˌpɜrpənˈdɪkjələr]英 [ˌpɜː(r)pənˈdɪkjʊlə(r)]

复数：perpendiculars

perpendiculars

adj.

adj. n.

1.垂直的,直立的;【数】成直角的,正交的

2.矗立的;险陡的,险峻的

3.【建】垂直式的

4.〈谑〉直站着的

One is called the moulded displacement and it is the displacement obtained to the moulded lines of the ship between perpendiculars.

His plan is to drop perpendiculars from each point of the curve upon two planes intersecting at right angles .

A square has four 90-degree angles made by its four perpendiculars.