| 单词 | line density |
| 释义 | > as lemmasline density line density n. (see quot.); also gen., density or concentration of lines. Π 1873 J. C. Maxwell Treat. Electr. & Magnetism I. 68 In this case we may define the line~density at any point to be the limiting ratio of the electricity on an element of the line to the length of that element when the element is diminished without limit. 1963 Reshaping of Brit. Railways (Brit. Railways Board) 65 Line densities are not the only measure of the use made of the railway. 1971 Fremdsprachen 15 276 It can be used to restore old drawings and to improve line density for microfilming. < as lemmas |
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