艺术学 【摄影光线】 释 concentrator;spotlight 聚光罩 一种可以将光线导向一个特定的范围（通常是小的圆形面积），而不影响光线强度的圆锥形灯罩。 工学 [纯化设备] 释 concentrator 浓缩仪 利用离心力、加热和外接真空泵来进行溶剂蒸发，高效率回收分析样品的设备。
concentrator ①聚能器 ②浓缩器
网络与数据通信 有线网络 释文 concentrator 集中器
- converse
- converse automorphism
- converse digraph
- converse domain
- converse graph
- converse implication
- converse law of contraposition
- converse-negative proposition
- converse of a coding theorem
- converse of a contrapositive
- converse of an implication
- converse of the theorem
- converse order type
- converse proposition
- converse relation
- converse sentence
- converse statement
- converse theorem
- conversion
- conversion between market and official price
- conversion calculus
- conversion disorder
- conversion efficiency
- conversion factor
- conversion factor method