Block tridiagonal matrix
[化] 块三对角矩阵
🧩 词语组成解析
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
🗣️ 情景例句
The policemen could not cope with the crowds.
警察不能对付群众。
I'll see what I have. What do you need it for?
我来看看我有什么样的零钱。你要干嘛？
It's six o'clock.
六点钟了。