| 单词 | test bed |
| 释义 | > as lemmastest bed test bed n. a piece of equipment for testing machines, esp. aircraft engines, before their acceptance for general use; also attributive and figurative. ΘΚΠ society > occupation and work > equipment > [noun] > for testing equipment test bed1914 test rig1957 society > occupation and work > equipment > machine > machines which impart power > engine > [noun] > instrument for testing test bed1914 1914 Flight 21 Mar. 312/1 The 120 h.p. engine entered by the Green Engine Co. for the Military Aeroplane Engine Competition is mounted on a tilting test bed. 1924 S. R. Roget Dict. Electr. Terms 260 Test bed, a base plate or foundation upon which machines may readily be mounted for testing purposes. 1937 Times 13 Apr. (Brit. Motor Suppl.) p. xv/4 The car engines undergo a long and thorough trial on the test-bed. 1961 Aeroplane 101 791/1 Two VTOL test-bed aircraft using the G.E. J85-5 fan-lift engine. 1963 Listener 28 Mar. 542/2 The Russian leaders..have spent the last fifteen years on the test-bed of world strategy, feeling the fearful and complex stresses and strains that that involves. 1978 Sci. Amer. July 30/1 On test beds turbine-inlet temperatures of well over 1,650 degrees C. have been achieved for at least a decade. < as lemmas |
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