hessian: [19] In common with many other sorts of textile, such as denim, jersey, and worsted, hessian’s name reveals its place of origin. In this case it was Hesse, formerly a grand duchy, nowadays a state of West Germany, in the western central part of the country.
Hessian (n.)
"resident of the former Landgraviate of Hessen-Kassel," western Germany; its soldiers being hired out by the ruler to fight for other countries, especially the British during the American Revolution, the name Hessians (unjustly) became synonymous with "mercenaries." Hessian fly (Cecidomyia destructor) was a destructive parasite the ravaged U.S. crops late 18c., so named 1787 in erroneous belief that it was carried into America by the Hessians.
实用例句
1. In this paper, a new centerline extraction algorithm based on Hessian Matrix is proposed.
提出了一种基于Hessian矩阵的中心路径提取算法.
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2. W 2, ∞ solutions existence of the Dirichlet problem for Hessian equations with the obstacle is proved.
