张开角 meaning in Chinese

open angle

Crack opening angle , coa
裂纹张开角
Expression animation : based on water ' s muscle model , 17 muscle vectors are presented to simulate facial muscles " motion by nonlinear interpolation . meanwhile , some other parameters , for example , open of jaw and eyelids , could simply be substituted by rotation transform . through these control parameters " interaction , highly natural looking animations have been able to generated
在人脸表情动画方面：基于waters的几何肌肉模型定制了一个具有17个肌肉向量的人脸模型的动画结构，用非线性插值来模拟肌肉的简单运动；同时，采用旋转变换来模拟其它的表情控制参数，例如下巴的张开角、眼帘的张开角等。