名词固定性，固定物，不变性

1. 固定：fixing 固定 | fixity 固定 | fixture splice 固定接头

2. 固定物：fixingstableness 稳固 | fixity 固定物 | fixity 固定性

3. 不挥发性;稳定性;固定性：fixing agent 固定剂;定影剂 | fixity 不挥发性;稳定性;固定性 | Fizz 一种以金酒为主的配制酒

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1. 固定性;稳定性;恒定性
If you talk about the fixity of something, you talk about the fact that it does not change or weaken.

e.g. I have been working on exploding the myth of fixity of meaning...
我一直在致力于推翻有关意义恒定性的谬谈。
e.g. She believed in the fixity of the class system.
她相信阶级制度恒久不变。

noun

1. the quality of being incapable of mutation

e.g. Darwin challenged the fixity of species

Synonym: immutabilityimmutableness

2. the quality of being fixed in place as by some firm attachment

Synonym: fastnessfixednessfixturesecureness