Spectral emissivity
[电] 频谱发射因数
🧩 词语组成解析
spectral
['spɛktrəl]
adj. （似）鬼的;幽灵的;谱的;光谱的;
n. (热)发射率\\n[化] 发射率; 热发射率; 比辐射率; 辐射系数; 热辐射系数
🗣️ 情景例句
I just don't know what to say.
我真不知该说什么好。
All is fish that comes to his net.
到了网中都是鱼；只要到手全都要。
How often do you write?
你们隔多久写信？