| 释义 |
Examples:mantissa (i.e. fractional part of common logarithm in math.)—cohomology (invariant of a topological space in math.)—(math.) neighborhood (in a topological space)—(math.) pseudosphere, a surface in ordinary space of constant negative curvature—bijective map (i.e. map between sets in math. that is one-to-one and onto)—homology (invariant of a topological space in math.)— |