Spectral norm
[计] 谱范数
🧩 词语组成解析
spectral
['spɛktrəl]
adj. （似）鬼的;幽灵的;谱的;光谱的;
norm
[nɔ:m]
n. 标准;规范;准则;（劳动）定额;
🗣️ 情景例句
Here's $ 1000 for the trip. Use some of it for stamps.
这里是1000美元，给你当旅费。要把一些用来买邮票啊！
A good horse cannot be of a bad colour.
良马的毛色不会差。
Only in a sparsely-populated rural community is it possible to disregard it.
只有在人口稀少的农村，才可以忽视准时的习惯。