The vehicle's first stage engine had already accumulated more than 10,000 seconds of firing during tests - an important milestone on the way to its certification for real missions.

运载工具的第一级引擎在测试过程中的点燃时间已经累计达到了10,000多秒——-这是达到它能完成其真正使命的捡定过程中的一个重要里程碑。

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Because the missile does not have establishing or controlling surfaces, it completely relies on the swinging nozzles of its first stage engine to maintain its course of flight.

因为导弹没有稳定或控制翼面，它完全地依靠在第一级发动机的摆动喷嘴去维持它的飞行航线。

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The first stage of Symbian's signing process, antivirus scanning, is done automatically using an antivirus engine.

塞班数字签名审核程序的第一关就是病毒扫描，这项工作是由反病毒引擎自动完成的。

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first stage engine on ascent. Proceed.Beautiful.Twenty-six .

VOA: special.2009.07.15

M-5 rocket last month seems to have been caused by a damaged graphite nozzle in the first-stage engine.

ECONOMIST: The land of disappointments

M-5's first-stage engine, had their minds on corporate strategy rather than quality control.

ECONOMIST: The land of disappointments

When the rocket at last blasted off on November 15th, the first-stage engine cut out prematurely, forcing the ground crew to destroy it for safety reasons.

ECONOMIST: The land of disappointments