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。
An American space company says a powerful new rocket should be ready for a test launch by the end of next year.
从1980年后期到1990年早期，一系列试射在中国西北部的戈壁沙漠中进行。
From the late 1980s to the early 1990s, a range of test launches were conducted in the Gobi Desert in the northwest region of China.
为了测试射流式井下增压装置的整机性能，对该装置进行了地面模拟测试和整机试验研究。
In order to test the overall performance of a downhole jet boosting device, an experimental study is conducted on it.
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