| 单词 | line |
| 释义 | line [līn] BOTANY A unit of length, equal to 1/12 inch, or approximately 2.117 millimeters; it is most frequently used by botanists in describing the size of plants. ELECTRONICS 1. The path covered by the electron beam of a television picture tube in one sweep from left to right across the screen. 2. One horizontal scanning element in a facsimile system. 3. See <<trace>> MATHEMATICS The set of points (x1,...,xn ) in euclidean space, each of whose coordinates is a linear function of a single parameter t; xi=fi(t ). |
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