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
- head mask of opera
- headmaster
- headmaster-in-charge system
- head mounted display
- head mounted display, HMD
- head normal form
- Head of Alexander
- head of an arrow
- head of comet
- head office
- Head Office of Xinhua Bookstore
- head of hydraulic turbine
- head of hydroelectric power station
- head of painted pottery goddess
- head of pump
- head of the Directorate of Education (official name)
- head of the line processor sharing
- head-of-the-line processor sharing
- Head-on
- head-on collision
- head-on cross-section
- head-on encounter
- head ornaments of a female role
- head or tail
- headphone