Following a recent successful, though unmanned, test launch, China announced that it would attempt to send two men into space later this year on a Shenzhou V rocket.
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test launch and 测试发
test launch control 测试发控
Test launch concept 测发方案
test-launch preplan 测试发射预案
test launch control system 测试发控系统
test-launch operation rules 测试发射操作规程
Test launch and control system 测发控系统
Ground test launch control system 地面测试发控系统
As a result the first test launch scheduled in the early 1990s was repeatedly postponed.
结果预定在1990年早期的第一次试射被多次延期。
An American space company says a powerful new rocket should be ready for a test launch by the end of next year.
一家美国航天公司称，一种强大的新型火箭将在明年年底准备进行试射。
In this photo, a crew prepares a for test launch on the Regulus, a submarine with nuclear firing capabilities, in the Pacific.
在这张照片中，位于太平洋上拥有核打击能力的Regulus号潜艇正在进行测试发射。
One of its Falcon rockets has a test launch planned for next month.
VOA: special.2010.04.28
The agency carried out a test flight of its next-generation launch vehicle for astronauts.
VOA: special.2009.12.30
By November,nineteen sixty-seven, the moon launch rocket,Saturn Five, was ready for a test flight.
VOA: special.2009.07.08
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