"lm" بـChinese (Simplified)
lm(流明的符号)
التعريف
'lm' 是“流明”的符号,是表示光源发出可见光数量的单位。
ملاحظات الاستخدام (Chinese (Simplified))
“lm”只在科学、技术和照明产品中用作流明的缩写。不要与“瓦特”(功率)混淆。
أمثلة
This light bulb gives 800 lm of brightness.
这只灯泡有800**lm**的亮度。
LED lamps often show their lm level on the package.
LED灯经常在包装上标注**lm**数值。
A flashlight with more lm is brighter.
流明数高的手电筒更亮。
How many lm does this lamp use?
这盏灯有多少**lm**?
If you want a brighter room, look for bulbs with higher lm.
想要房间更亮,选**lm**值高的灯泡。
Manufacturers list lm on their products because people compare brightness.
制造商在产品上注明**lm**,因为人们会比较亮度。