angular deficit造句

Here a vertex with a positive angular deficit represents a concentration of " positive"
Gaussian curvature, whereas a vertex with a negative angular deficit represents a concentration of " negative"
The angular deficit ? is linearly related to the string tension ( = mass per unit length ), i . e . the larger the tension, the steeper the cone.
It's difficult to find angular deficit in a sentence. 用angular deficit造句挺难的