constancy

n.

不屈不挠，坚定不移，恒久不变的状态或性质；持续性；稳定性；持久性

color constancy色彩恒常性；色感一致性

1. Constancy in love is a good thing.
   爱情能持之以恒才是好事。
2. The secret of success is constancy of purpose .
   成功的秘诀是目标的坚定性。
3. He admired her courage and constancy.
   他钦佩她的勇气和忠贞。
4. Never doubt the constancy of my love for you.
   绝对不要怀疑我对你爱的忠诚。

On the constancy of internet path properties
A novel algorithm for color constancy
Color constancy: a method for recovering surface spectral reflectance
Color constancy: a method for recovering surface spectral reflectance.
Stability and Band Gap Constancy of Boron Nitride Nanotubes
Techniques for Testing the Constancy of Regression Relationships over Time
How Teachers Taught: Constancy and Change in American Classrooms, 1890-1980 by Larry Cuban
Color by correlation: a simple, unifying framework for color constancy
A comparison of computational color constancy algorithms--part I: methodology and experiments with synthesized data
A Nonparametric Approach to Estimating Divergence Times in the Absence of Rate Constancy