trajectory direction造句

It describes the change in the impact parameter necessary to cause a given change in the exit trajectory direction.
The Indicador IMEF del Entorno Empresarial is a factory index that measures the business climate around the expected economic environment or trajectory direction of economic activity in the very short term, this index is divided in two : the manufacturing and non-manufacturing subdivisions.
It's difficult to find trajectory direction in a sentence. 用trajectory direction造句挺难的