Semidefinite operator
[计] 半定算子
🧩 词语组成解析
[计] 半定的
🗣️ 情景例句
According to my experience, I agree that yours are of better quality.
有我的经验来判定你们的产品的确较好。
Pile the hay in the corner.
把干草堆到边上。
You can imagine how useful this is, particularly in countries like China and Japan, which use written characters not letters.
你可以想像得到，特别是在中国和日本这些使用文字而不是字母的国家，这是多么有用处！