例句與造句

1. On retirement he was Director of Submarine Concept Formulation.
2. He was responsible for the M-X program, and directed the program through most of its concept formulation phase.
3. Joining the Advanced Program Laboratory in 1978, he began working on the concept formulation and subsequent proposal for the SYNCON IV / LEASAT Program.
4. It's difficult to find concept formulation in a sentence. 用concept formulation造句挺難的