| 单词 | lattice |
| 释义 | lattice [`lad·ǝs] CIVIL ENGINEERING A network of crisscrossed strips of metal or wood. CRYSTALLOGRAPHY A regular periodic arrangement of points in three- dimensional space; it consists of all those points P for which the vector from a given fixed point to P has the form n1a + n2b + n3c, where n1, n2, and n3 are integers, and a, b, and c are fixed, linearly independent vectors. Also known as periodic lattice; space lattice. MATHEMATICS A partially ordered set in which each pair of elements has both a greatest lower bound and least upper bound. NAVIGATION A pattern formed by two or more families of intersecting lines of position, such as the hyperbolic lines of position from two or more loran stations. NUCLEONICS An orderly array or pattern of nuclear fuel elements and moderator in a reactor or critical assembly. |
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