nef

名词 n. 形容词 adj.
中文释义

英文释义

名词 n.
  1. An extravagant table ornament and container used in the Middle Ages and Renaissance, made in the shape of a ship.
形容词 adj.
  1. Of a line bundle on a complete algebraic variety over a field: such that the degree of its restriction to every algebraic curve in the variety is non-negative. not-comparable
    — […] this condition is the numerical consequence of the condition that for some mgt;0, the linear system #124;mD#124; is effective and free; thus nef = "numerically (effective and free)".

词形变化

nefs plural

词源

词源 1
Borrowed from French nef. Doublet of nave and nau.
词源 2
Short for numerically effective; introduced by Miles Reid.
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