Unit vector
[计] 单位向量
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
Susan called early this morning. Susan
一大早打电话来。
She seldom eats breakfase.
她很少吃早餐。
John works very hard. He goes to work early.
约翰工作很努力。他早早上班。