A method to calculate the dry mass of single-stage vehicle is proposed in this paper.

提出了单级入轨运载器干质量计算方法。

youdao

As a two-stage vehicle, the Saturn I had full orbital capability for a variety of payloads.

作为一个两级飞行器的“土星”具有可将不同有效载荷送入轨道的能力。

youdao

The lunar module was a two-stage vehicle designed for space operations near and on the Moon.

登月模组是一个两截载具，设计于月球轨道与表面操作。

youdao

U.S.officials said no part of the three-stage vehicle reached orbit, and that in any case it amounted to a long-range ballistic missile test forbidden under a Security Council resolution that followed its October 2006 nuclear test.

VOA: standard.2009.04.14

This morning Cape Canaveral launch ops sent into orbit the Falcon 9, a two-stage vehicle designed by the Elon Musk-backed firm SpaceX.

FORBES: SpaceX Gets Kudos For Its Rocket Launch, You Get A Gallery Of Great NASA Publicity Photos

August's botched launch involved a Soyuz-U. An inquiry into that incident eventually traced the problem to a blocked fuel line, again in the third stage of the vehicle.

BBC: Another Soyuz rocket launch fails

Importance of SBIR as a Vehicle for Early Stage Capital: Several entrepreneurs at the forum spoke of the advantages of the Small Business Investment Research program as a source of capital at the stage of business maturation when it is difficult to gain access to capital.

WHITEHOUSE: Holiday Season Merrimack Making