密着性的英文：
adherence

In other words, The Hermiticity of a matrix is invariant under unitary transformations
换言之，矩阵的厄密性在幺正变换下保持不变。

Adherence to the past is a hindrance.
依附于过去是一种妨碍。

He is an adherent of the teachings of Confucius.
他是孔子的门徒孔子儒教的追随者。

They failed to adhere to our original agreement.
他们未能遵守我们原定的协议。

We adhere to the principle stand of marxism.
我们坚持马克思主义思想原则。

There are absolutely conditions, such as adherence to a moral code.
当然是有条件的，比如对道德准则的坚持。