... lumber-man 木材业者 lumen hour 流明小时 lumen per watt 流明瓦特 ...
基于22个网页-相关网页
... lumen equivalent || 流明当量 lumen hour || 流明一小时 lumen meter || 照度计，流明计 ...
基于1个网页-相关网页
lumen-hour 流明小时 ; 流明时
·2,447,543篇论文数据，部分数据来源于NoteExpress
The light perceived by the human eye is measured in units called lumen-hours. This is about the amount produced by burning a candle for an hour.
人眼感受的光用流明时这个单位来衡量——燃烧一根蜡烛一个小时所产生的光的量就是一流明时。
youdao
Operators can also hold the switch down to run the flashlight in low mode, producing a 50 lumen light beam and a longer 12 hour runtime.
ENGADGET: Explosion-proof flashlight could be the first to outlive its owner
By pressing the switch once, the light operates in high mode to produce a full power 130 lumen light beam with a long 4 hour runtime.
应用推荐
模块上移
模块下移
不移动