They tested the spacecraft systems.

他们检验了航天器系统。

youdao

This was the time for the crew to test all the spacecraft systems.

VOA: special.2009.07.15

They tested the spacecraft systems.

VOA: special.2009.07.08

All of the systems on the Mercury spacecraft sent radio signals to flight controllers.

VOA: special.2009.06.17

The new study will assess what precise elements are needed, and how many can be adapted from the spacecraft systems already in existence.

BBC: Manned flight around Moon considered

It could mean they gain control of the spacecraft systems and can fire the engines, but after the orbit around Earth has dropped so low that there is not enough fuel to go to Phobos.

MSN: Salvaging Science from Stricken Mars Moon Probe: A Scientist's View - Technology & science - Space - Space.com | NBC News

The Laser Communications Relay Demonstration Project (LCRD) will follow with launch in late 2017 on a commercial Space Systems Loral spacecraft.

FORBES: Future Of NASA's Aging Deep Space Network Lies In X-Rays And Lasers