variable diffusion造句

In addition to his film work, Walker held twenty patents on various camera-related inventions he devised, including the Double Exposure System, several zoom lenses, the Duomar Lens for both motion picture and television cameras, the Variable Diffusion Device, the Facial Make-Up Meter, lightweight camera blimps, and optical diffusion techniques.
Frank Capra's " The Bitter Tea of General Yen " was not quite the same type of film : Stanwyck plays a missionary who goes to civil-war-torn China and meets the titular general ( played by Nils Asther ) after his car kills the driver of her Joseph Walker tested a new technique he created, which he dubbed " Variable Diffusion ", in filming the picture.
It's difficult to find variable diffusion in a sentence. 用variable diffusion造句挺难的