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
- The Jade Mirror Stand
- The Jade Peony
- The Jade Ring
- the jade stone Ware of Liao and Jin dynasties
- the jade stone Ware of Song dynasty
- the jade stone Ware of Sui dynasty, Tang dynasty and the Five dynasties
- The Jade Terrance History of Painting
- the Jade Ware of Ming Dynasty
- the jade ware of Qin and Han dynasty
- the jade ware of Qing dynasty
- the jade ware of the spring and autumn period and the warring states period
- the Jade Ware of Xia,Shang and Western Zhou dynasty
- the jade ware of Yuan dynasty
- The Jailbreak
- The James Tait Black Memorial Prize
- The Japan Association of Chinese Language Education
- The Japanese Society of Fisheries Science
- The Japan Times
- The Jasper Lake
- The Jazz Singer
- The Jealous Wife
- the Jewish War
- The Jew of Malta
- The Jiahu Bone Flute
- The Jiangnan Melody