| 单词 | test-flying |
| 释义 | > as lemmastest-flying test-flying n. ΘΚΠ society > travel > air or space travel > action of flying (in) aircraft > [noun] > to test aircraft test-flying1928 flight-testing1943 test-piloting1958 1928 N. Macmillan Art of Flying 7 Immediately after the War, he took up test-flying with considerable success. 1961 Shell Aviation News Dec. 2/2 With the coming of auto-observers and telemetry, ‘test flying’ has been gradually and unobtrusively ousted by ‘flight testing’. < as lemmas |
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