engineering development model造句

The Twin-line Engineering Development Model was installed on USNS " Bold ".
The first Engineering Development Model ( EDM-1 ) was installed in a test ship, the, in 1973.
During the previous contract, development and testing of 11 Engineering Development Models ( EDMs ) took place : Advanced Gun System, Autonomic Fire Suppression System, Dual Band Radar [ X-band and L-band ], Infrared, Integrated Deckhouse & Apertures, Integrated Power System, Integrated Undersea Warfare, Peripheral Vertical Launch System, Total Ship Computing Environment Infrastructure ( TSCEI ), Tumblehome Hull Form.
It's difficult to find engineering development model in a sentence. 用engineering development model造句挺难的