| 单词 | span | 
| 释义 | span [span]  AEROSPACE ENGINEERING 1. The dimension of a craft measured between lateral extremities; the measure of this dimension.  2. Specifically, the dimension of an airfoil from tip to tip measured in a straight line.  ENGINEERING A structural dimension measured between certain extremities.  MATHEMATICS The span of a set of vectors is the set of all possible linear combinations of those vectors.  STATISTICS The difference between the highest value and the lowest value in a range of values.  | 
	
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