The speed of a vessel adjusted to that of a pilot boat at which the pilot can safely embark is ____. A. ground speed B. boarding speed C. relative speed D. vessel speed

单选题

The use of high-speed machinery improved the __________ of the factory.

答案解析

单选题

Turbine engine tachometers usually measure speed as a percentage of the nominal maximum speed of the turbines.

答案解析

单选题

_______ is defined as the actual speed of the airplane over the ground. It is true speed adjusted for wind.

答案解析

单选题

The speed of a vessel adjusted to that of a pilot boat at which the pilot can safely embark is ____.A. ground speed B. boarding speed C. relative speed D. vessel speed

答案解析

单选题

The _______ displays the speed of the airplane through the air by comparing ram air pressure with static air pressure.

答案解析