With nine engines on the first stage, Falcon 9 can reach orbit even if one or more fails.

猎鹰9号的第一级有9个引擎，即使一个或多个引擎故障，它仍然可以到达预定轨道。

youdao

Some of the pieces go through nine different processes, several firings and require highly skilled craftspeople at each stage.

有些组件要经历九道不同工序，数次烧制，并且每个阶段都需要技艺高超的工匠。

youdao

The payload, a capsule known as Dragon, is then carried into orbit by a single-Merlin-engined second stage that burns for a further nine minutes.

之后，有效荷载（被称为天龙的航天舱）通过一台单独的墨林发动机被送入轨道，这是第2个阶段，耗光燃料时间为9分钟。

youdao

To date,"On Stage" has sold more than The re-mastered "Elvis Presley On Stage" contains additional recordings from both sets of concerts at the International, as well as nine bonus tracks and a rehearsal take of his hit single, "The Wonder Of You."

VOA: standard.2010.04.30

Gronholm reduced the deficit with a win in stage nine, which saw Manfred Stohl retire from 10th place with mechanical problems.

BBC: SPORT | Motorsport | Rallying | Loeb in command in Germany Rally

In the motorbike classification, Cyril Despres won stage nine to return to the top of the overall standings in his seesaw battle with Spain's Mark Como.

CNN: Defending Dakar Rally champion Al-Attiyah quits 2012 race

Henning Solberg, elder brother of Petter, saw his hopes of a top-three finish dashed when he was forced to stop on stage nine with mechanical problems.

BBC: Marcus Gronholm had won four of the six stages on day one