advanced common evolved stage造句

例句与造句

1. In October 2009, the TRL design for the Advanced Common Evolved Stage Centaur successor.
2. The Advanced Common Evolved Stage ( ACES ) is intended as a lower-cost, more-capable and more-flexible upper stage that would supplement, and perhaps replace, the existing ULA Delta Cryogenic Second Stage ( DCSS ) upper stage vehicles.
3. The Centaur is still in use on the Atlas V and the derived Delta Cryogenic Second Stage ( DCSS ) on the Delta IV . The Advanced Common Evolved Stage is the latest proposed derivative as an upper stage replacement for the Atlas V, Delta IV, and Space Launch System.
4. United Launch Alliance ( ULA ) had been working on an upper stage design concept that would bring the Delta and Centaur stages together into a single new cryogenic second stage design, called the Advanced Common Evolved Stage, was originally intended as a lower-cost, more-capable and more-flexible upper stage that would supplement, and perhaps replace, the existing ULA ( Lockheed Martin legacy ) Centaur and the ULA ( Boeing legacy ) Vulcan.
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