brightness constancy亮度恒定;明度恒常性;[摄] 亮度恒定性
constancy test稳定性检测
velocity constancy速度恒常性;速度常性
direction constancy方向恒常性
constancy testing质量特性的稳定性检验
behavior constancy行为不变性
rapidity constancy速度耐力
constancy index稳定性指标
constancy phenomenon恒常性现象
The method adopts redundant wavelet, which is called wavelet frame, to decompose and then to achieve the characteristic description of stability and translational constancy.
本文提出一种新的多分辨率纹理分类方法，该方法采用称为小波帧的冗余小波分解，从而获得具有稳定性和平移不变性的特征描述。
参考来源 - 一种有效的基于小波帧变换包的纹理分类方法 in CThe smaller the tension change rate is, the better the warp tension constancy is.
变化率越小,经纱张力的恒定性越好。
参考来源 - 高速喷气织机电子送经装置工艺性能评价N-UNCOUNT（不可数名词） Constancy is the quality of staying the same even though other things change. 恒久性
We live in a world without constancy.
我们生活在一个不断变化的世界。
N-UNCOUNT（不可数名词） Constancy is the quality of being faithful and loyal to a particular person or belief. 坚贞[表赞许]
...those who have proved their constancy in love.
...那些已经证明自己爱情坚贞的人们。