dihedral

a. (数)二面的 n. 两面角

发音

US /daɪˈhiːdɹəl/

词形变化

dihedrals 复数 dihedrals

别名

diedral

释义与例句

n.
  1. 1.

    An angle between two plane surfaces

    数学
  2. 2.

    The upward slope of an aircraft's wing

    航空 商务 工程
  3. 3.

    The angle between pairs of chemical bonds separated by a third bond

    化学
adj.
  1. 1.

    Consisting of, relating to or contained between two plane surfaces.

    数学

    dihedral angle

  2. 2.

    Having wings that form a dihedral angle, especially when the angle between the upper sides is less than 180°.

  3. 3.

    Of wing pairs, inclined at an upward angle to each other.

    航空 商务 工程

相关短语

dihedral angle [化] 双面角 dihedral angles dihedral group [计] 二面体群 dihedral groups

词源

From di- + -hedral.

来源：wiktionary