Adjoint operator

adjoint

n. [数]伴随矩阵

operator ['ɑpəretɚ]

n. 经营者;操作员;电话接线员;运算符;

oper 工作 + ator表示做...工作的人或物 → n.操作人员，接线员

Does this come with a certificate of authenticity?

这有鉴定证明吗？

Can you tell one from the other?

你能区别哪个是哪个吗？

OK, everyone. Less noise, please! Gather round and listen carefully. First we are going to search the beach and the rock pools. Let me remind you what we are looking for: seaweeds, fish, plants, all living things. When you find anything, make a note where

00在这里集合，游泳之后再吃午餐。别着急！我们有足够的时间。