单词	Machmeter
释义	Machmeter /ˈmɑːkmiːtə / /ˈmakmiːtə/ noun An instrument in an aircraft indicating airspeed as a Mach number.Alternatively, the machmeter may be combined with the Air Speed Indicator (ASI), in which case it is often referred to as a Combined Speed Indicator (CSI).... No increase in speed was observed but he sensed that the drag level had increased, so he steepened the angle of dive until 0.96 appeared on the Machmeter. On most aircraft you use your CAS to determine TAS up to a certain altitude, then use the Machmeter beyond that altitude.
随便看	as rare (or scarce) as hen's teeth (as) red as a beetroot (beet) as regards as regular as clockwork (as) right as a trivet (as) right as rain (as) rough as guts ass -ass Assad, Hafiz al- as safe as houses assagai assai assail assailable assailant Assam Assamese assart assassin assassinate assassination assassinative assassinator assassinatress

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