请输入您要查询的字词:
单词
luminous maintenance rate
释义
luminous maintenance rate
Encyclopedia
工学
【LED可靠性试验】
释
luminous maintenance rate
光通维持率
发光器件(灯)在规定条件下点亮,其光通量是随着工作时间的增加而逐渐衰减的,在寿命期间内特定时间的光通量与该灯的初始光通量之比。
随便看
land speculation
land statistics
land structure
land subsidence
land subsidence GPS monitoring
land subsidence monitoring devices
land suitability
land suitability evaluation
land supervision
land supply
land surface hydrology
land surface model
land surface processes
land surface temperature inversion
land survey
land survey and statistics system
Land Surveying Ordinance
Land Survey Measure
land system
land system in developing countries
land tax
land tax regardless of household size
land temple
land tender,auction,listing
land tenure
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/7/31 16:56:38