Upper triangular matrix
[电] 上三角矩阵
🧩 词语组成解析
upper
['ʌpə]
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
🗣️ 情景例句
Who is that?
那是谁呀？
What are you talking about?
你正在讲什么？
We can give you a discount if you order for immediate shipment.
如果你的订单是马上出货的话，我们可以打折。