| 释义 |
Machmeter Aeronaut.|ˈmɑːk-, ˈmækmiːtə(r), ˈmɑːx-|
Also Mach meter.
[f. Mach + meter n.3]
An air-speed indicator that reads directly in Mach numbers.
1947Jrnl. R. Aeronaut. Soc. LI. 734/1 An instrument known as a Mach meter, which indicates the Mach number of flight at any height, has already been developed and is now being fitted in certain high-speed aircraft. 1948‘N. Shute’ No Highway xii. 305 What was the Machmeter showing? 1958‘P. Bryant’ Two Hours to Doom 118 He watched the Machmeter carefully as it moved up from point nine. 1964J. E. D. Williams Operation of Airliners xx. 320 The indication of the Mach meter is not..instantaneously responsive to changes of engine thrust. 1975L. J. Clancy Aerodynamics iii. 32 A Machmeter..depends on measurements of total and static pressure by the pitot-static tube. |
