| 释义 | 
		- conj.因为
 - n.【数】余弦;【植】科斯(岛产的)长叶莴苣;【地】科斯岛
 - abbr.(书写形式)余弦
 - 网络功率因数;服务等级;服务类别
 
 1.  | (书写形式)余弦(in writing) cosine  |  
 n.  | 2. [Plant]cos lettuce, a tape of long thin lettuce 3. [Geography]Kos, second largest of the Greek Dodecanese islands  |  conj.  | 1. because, mainly used in British English  |  na.  | 1. [Business]cash on shipment  |  
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