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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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