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
- Jade Carving Dayu’s Flood Control
- jade carving machine
- Jade Carving Nine Oldmen in Huichang period
- Jade Carving Qiushan Xinglv Tu
- jade carvings in Fuhao's Tomb
- jade carvings of Han Dynasty
- Jade Carving Tong Yin Shi Nr Tu(A lady under the Shadan of the Chinese parasol tree)
- Jade Cicadidae of the Han Dynasty
- Jade Cladding in the Han Dynasty
- jade coffin of the Han Dynasty
- Jade Cong at Fanshan
- jade Cong of Fanshan Cemetery
- jade crown of Fanshan Cemetery
- jade cup in the Han Dynasty
- Jade Dargon from Sunjiagang Site
- Jade Dragonfly
- jade dragon of the Hongshan culture
- Jade Dragon Snow Mountain Scenic and Historic Area
- jade elephant from the Tomb of Fuhao
- Jade Emperor
- Jade Emperor pavilion at Baoshan
- Jade Figures and Spirit Beast in the collection of the Palace Museum
- Jade Figure with Wide Handle on the Waist from Fuhao Tomb
- Jade Flying Godness of the Tang Dynasty
- Jade Gangmao Yanmao of the Han Dynasty