Mach
发音
How to pronounce Mach in British English:
英 [mɑ:k]
How to pronounce Mach in American English:
美 [mɑk]
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- Noun:
- Austrian physicist and philosopher who introduced the Mach number and who founded logical positivism (1838-1916)
单词词源
- Mach
- measure of speed relative to the speed of sound (technically Mach number), 1937, named in honor of Austrian physicist Ernst Mach (1838-1916).
双语例句
- 1. It is designed to fly at mach 0.75 carrying 120 passengers 1600 nautical miles .
- 2. The plane is designed to travel at mach 20 , or 20 times the speed of sound .
- 3. The adrenaline junkie reached a dramatic speed of 834.4 miles per hour which is phenomenal ; he broke the speed barrier mach 1.24 .
- 4. America 's armed forces see potential in hypersonic aircraft , which fly at mach 5 or faster using a type of engine known as a scramjet .
- 5. Not only were the results of mach 's reasoning a profound influence on einstein , but also his methodology .