launch countdown造句
例句与造句
- For example, space shuttle launch countdowns included 7 holds at T-27 hours, T-19 hours, T-11 hours, T-6 hours, T-3 hours, T-20 minutes, and T-9 minutes.
- A " plugs-out " test was planned for January, which would simulate a launch countdown on LC-34 with the spacecraft transferring from pad-supplied to internal power.
- The two Russians and American on the Mir were not in danger, space officials insisted, and NASA began its launch countdown for the Atlantis as planned.
- SHUTTLE-ENDEAVOUR ( Houston ) _ NASA starts a launch countdown for the space shuttle as it works to fix a sprained robot arm on the space station.
- The Launch CST was run on 12 November 1979 . Regarding the launch itself, there was one unscheduled five-minute hold during C-37's launch countdown on 20 November.
- It's difficult to find launch countdown in a sentence. 用launch countdown造句挺难的
- Mercury astronaut John Glenn, flanked by a half-dozen younger space travelers, scrambled aboard the shuttle Discovery on Friday to rehearse the launch countdown scheduled for late this month.
- "I feel preliminarily confident that we're going to be able to find a path through this wilderness and in time to make a run at a launch countdown,"
- These services are provided for more than 30 to 40 space launch countdowns per year for the Department of Defense ( DOD ), NASA, USAF, and commercial launch customers.
- NASA will not even confirm the start of the launch countdown until Tuesday, even though the clocks always begin ticking three days ahead of time, which would be Monday.
- After days of rain, the sky was clear and the forecast much improved as NASA headed into the final hours of the launch countdown Thursday for space shuttle Discovery.
- To improve its chances, NASA has reorganized its launch countdown for the Mir missions, adding an extra hour here and an extra half-hour there in case of last-minute equipment trouble.
- Like the original, the 30-second ad by the Internet-based group MoveOn . org depicts a girl plucking petals from a daisy _ along with a missile launch countdown and a nuclear mushroom cloud.
- NASA officials have vigorously objected to comparisons between Challenger and Columbia, arguing that since the Challenger accident even lower-level employees have authority during preflight reviews to raise safety concerns that can halt a launch countdown.
- The PROCEDURES controller, first held by Gene Kranz, handled the writing of all mission milestones, " GO / NO GO " decisions, and synchronized the MCC with the launch countdowns and the Eastern Test Range.
- "I feel preliminarily confident that we're going to be able to find a path through this wilderness and make a run at a launch countdown, " said Jim Halsell, chairman of the mission management team.