- The angle formed at the intersection of the arcs of two great circles.球面角：球的两个大圆交弧的夹角
- excludes
- excluding
- exclusion
- exclusionary rule
- exclusioner
- exclusionist
- exclusionists
- exclusion principle
- exclusions
- exclusive
- exclusive of
- exclusive OR
- exclusives
- exclusivism
- exclusivisms
- excogitate
- excommunicable
- excommunicant
- excommunicate
- excommunicates
- excommunication
- excoriate
- excoriated
- excoriates
- excoriating