Position invariant operation
[计] 位置不变运算
🧩 词语组成解析
position
[pə'ziʃən]
n. 位置，方位;地位，职位;态度;状态;
vt. 安置;把…放在适当位置;给…定位;驻扎军队;
invariant
[in'vεəriənt]
adj. 无变化的，不变的;
n. 不变式，不变量;
🗣️ 情景例句
When can I photograph a class?
我何时才来上课呢？
A book that remains shut is but a block.
有书闭卷不阅读，无异是一块木头。
When they had gone, the driver of the car came towards him.
他们走后，汽车司机向他走来，