at the point of the sword
Derivable at the point zero
Generalized biderivable at the point zero
Generalized derivable mapping at the point zero
issue at the market price
lattice point at the boundary
the focal point at the development
3-d planar crack terminating at the interface
A man should be independent at the age of thirty
a skeleton at the feast
a special teacher who at the same time as a teacher in charge of a class
acceptance of the bid at the lowest price
acknowledge the issue of the writ
activity at the shallow part
activity discharge at the stack
Adaptability at the high altitude
adsorption at the solid-liquid interface