lit block meaning in English

裂区

Textiles . tests for fabrics . light blocking effect
纺织品,织物试验,光阻断效应
Testing methods for light blocking effect of curtain materials
窗帘材料遮光效果的测试方法
This paper discusses the structure and the properties of optical and electrical properties of a new multiplayer light - blocking layer for lclv ( liquid crystal light valve ) . theoretically discusses the requirement of light blocking layer for lclv
本文从理论上讨论了投影显示用液晶光阀对光吸收层各种参数的要求，详细介绍了液晶光阀vopc和cdte复合吸收层的结构及其光电特性。