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We have 2 other definitions for HSTT
in our Acronym Attic
Samples in periodicals archive:
Ford's $13 million renovation of the high-speed test track at its Michigan Proving Ground in Romeo is a perfect example of a win-win solution for the environment and the bottom line.
Nissan builds its largest domestic high-speed test track TOKYO - Nissan Motor Co.
Air force to develop and demonstrate a high-altitude chamber that would fully enclose its 10-mile-long high-speed test track at Holloman Air Force Base in New Mexico.